I was wondering which projectors are most commonly seen in booths today (ie. both old and new styles).
Also if possible, what would be the going rate for buying either a new or used one (if still manufactured).
Thanks
Richard

In Sweden, the Cinemeccanica Victoria 5 is more or less the norm these days, even though there are a lot of Kinoton machines around. Most flagship theatres here still have a pair of Philips DP70s (Norelco AA-II). My theatre, where we mostly run archive prints, uses a pair of Zeiss Favorit70 projectors, a Philips FP56, and a Bauer Selecton II for 16mm.
There used to be a lot of Ernemann and Bauer machines in the older booths, but most of these theatres are now gone. Also, the Swedish AGA Ultra used to be fairly common (but is not, anymore).
Strangely enough, I've never seen a Century or a Simplex in a Swedish booth, even though I understand they're quite common in the American booths. The only Century machines I've actually seen myself were old Cinemiracle machines, plus a cute little 35mm thing owned by a friend of mine.
As for buying a used 35mm projector, that depends. Around here it used to be fairly easy to get hold of an old Ernemann or a Bauer, for very little or no money, since the multiplex owners had a bunch of them in storage after all those theatres they closed down. They were of little use to them, yet they were reluctant to just throw them away.
When I worked for the local theatre chain, I asked for and got a 35/70mm Zeiss Favorit70 without having to pay anything. They had several of them after closing down some of the larger cinemas in the country. The technical manager hadn't had the heart to get rid of any of them. I guess I got mine because he thought I'd take good care of it. 
So I guess my answer is, ask around where you work. You might get lucky. Or check the ads in the Equipment Wanted & For Sale forum.
In most modern booths you will find:
35mm:
Simplex (XL, 1015, 1050)
Century (SA and related models)
Christie (GP35 and related)
Cinemeccanica
Norelco/Kinoton (FP20 and related models)
35/70mm:
Century (JJ)
Simplex (XL3570)
Norelco (AAII, DP75)
In most older theatres using the original equipment you will usually find:
Simplex (Super, E7, early model XL)
Century (C, H)
Brenkert (BX40,60,80,100)
Motiograph (AAA)
Aaron
Nicholas 
I think today, people are tending to stay away from Cinemeccanica. They lost a patent-infringment lawsuit, (not related to motion-picture equipment) and either are- or are close to bankruptcy.
Personally, I really like V8' and V9's, but I have to admit replacement parts are very expensive, and they stopped making some others.
And the cell for the optical sound is a major pain. And Gordon, just last week a guy threaded a V8 wrong here and totally destroyed an optical cell. That's the third one since polyster became widespread.
Aligning the mag head is not easy either, since there are no adjustments at all. You kind of install it and hope it's good. We tried using the mag head that came with it, and it clogged so much we threw it away (with only 10-12 hours on it) and got a Teccon.
I was very unhappy with the tech support for Cinemeccanica. I never delt with the new guys in Californa, but I hear they are not so good. I did deal with the people in Flordia when it was there, and there was only one guy that knew anything, and he left. I got so annoyed, I called up Cinemeccanica of Canada and talked to a guy who was pretty good. He wasn't allowed sell anything, but gave me good advice.
Here's a link for the patent thing: http://www.sec.gov/Archives/edgar/data/775714/0000950148-98-000936.txt
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Hi,
I read your post on Cinemeccanica's going out of business...I don't think so... Cinemeccanica has several divisions; the production division manufactures dollies (which the patent infringment came from) film
editing equipment et cetera. The company is privately held with the 3rd generation planning for digital cinema, whenever it happens. Their projector production is almost at sold out level for the next two years
thanks to customers such as Warners International, U.C.I./Paramount and myself (a $6,000,000 distributor). Prevost was in bankruptcy a few years ago due to losing the Zeiss distribution network but the son has brought it back to life.
Cinemeccanica wisely did not greatly expand their facilities like Strong did during the American building spree (now dead); that is why Strong is in deep trouble.
(and)
2 1/2 years ago Cinemeccanica came up with a new sound drum which fully covers the sound drum (with a slot for the reverse scan LEDs)
the center covered area is recessed so as not to touch the image area; designed for mylar stock... I have over 130 units in operation and we are converting 14 more cinemas next month. It is an easy retrofit, and if you have the factory spanner wrench, should take about 1 1/2 hours to install.
New item introduced this month - D.C. pulse ignitor for their lamphouses and consoles to replace the IREM AS series units they have been using.
Richard Fowler
TVP-Miami www.tvpmiami.com
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I am glad Cinemeccanica is doing OK, because I really like the design. I do wish they still made V9's though. And, I really like the idea of the new sound drum... I'm going to ask our tech guy if we can get one.

I do have some nice AGA pics, so I'll scan them and email them to Brad. That OK with you, Brad?
The AGA was the first machine I ever threaded, actually, so I really like them. They're really beautiful, too, very well designed. They were installed pretty much everywhere in Sweden after WWII, but they eventually lost ground to the Philips FP5, Ernemann VIII and others.
As for Cinemeccanica, we've nicknamed the Victoria 5 "Cinemeccano" since most of the projectionists around here regard it as something of a toy projector. It certainly feels like one, when used to a Philips DP70 or a Favorit70. On the other hand, when cared for properly, it is not a bad projector, it just feels like one.
At the local multiplex, they've had some trouble with misaligned (and wrongly manufactured) gates, resulting in bad focus. Is this anything any of you recognise?
I thought the same thing about Victoria 5's. One day, we put a Xetron 3000 watt lamp on to a V5. That night, while it was running, I was talking to someone and leaned on the back of the lamp. The entire projector tilted up! I ended up bolting the thing to the floor (there are holes in the pedesal for that.)
It lasted much longer than I expected (we took it out to put in 70mm.) But, I miss the V9's. If they wanted a cheaper machine, they should have stuck with V9's.
To be honest with you, I don't know for sure. My recollection is that they aren't; they look like a Philips FP5 inside. But when I get around to scanning and emailing the AGA pictures I have, see if you can figure it out. I can't - I don't have that kind of detail visible in them.
I learned the craft and art of film projection with AGA projectors, but I was never given the chance to study them inside except when the local tech was there.
The pair of V8's I saw at the Colosseum in Oslo seemed a lot heavier and sturdier. The projectionist there had some nice things to say about them, too.

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It's the new small talk. You do it so awfully well! - My Fair Lady
Back a few years there were plenty of Super Standards, Cummings and Wilson, (both Australian) Kalee, Centrex, etc.
Most automation is Pennywise CA 100 and CA 21. Platters are mostly Speco, Christie, Kinoton.
Shakameccanica is the word, they also shed poly film and churn through shutter gearboxes, otherwise good. Kinoton have a great image on screen but the new aperture set-up is fragile and hard to get right. Christie cause major shedding and are easy to work on - they need to be, everything breaks from Ultramittants to damper struts. Clever construction and great lamphouse consols.
David
An AGA projector is (was) a Swedish-made post-war modernity. Well, actually I think AGA started making them before the war, but they didn't become popular until after the war ended. AGA projectors were installed in a lot of booths around the country for a while, but I doubt they ever spread anywhere outside Scandinavia. I know that some were installed in Finland and Norway.
The machines themselves were characteristically dark red and elegantly designed. Later models featured 4-channel mag readers and the AGA version of CinemaScope, called AGASCOPE (what else, huh?). In the eighties, many of the remaining AGAs were converted to Dolby Stereo with generally good results. AFAIK, a few of these are still in place.
I started my projectionist career by learning to thread a pair of the "beasts"
for a few weeks and really liked them. The reels were small (600 meters) so it didn't take me long to learn how to do a proper changeover.