The Toshiba is MT7, 1000 lumens, 1280x720, has a 1.3 manual focuc, manual zoom lens, noise is 32db, has built in speakers (but is still called a mobile theater projector and nobody would ever use those for a theater) is 11.22 lbs and was supposed to be around $8900 list.
The sharp, I was just told that it would be available in the late portion of the year, is 1280x720 and is supposed to be between $12-15,000. They had it on display, but you couldn't get close to the screen or the unit. They had one outside the projection area just sitting there. It looks nice, and looks like the noise shouldn't be a problem. They didn't have any literature on it available.
The Sanyo is out now and you can see the reviews all over.
The Yamaha was supposed to be around $10,000, available in May, is called the DPX-1, is 1024x768 dlp with a .9" XGA DMD chip, with no white(clear) color segment, not 16x9 native.
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Scott Vonhof
Scott's Site: DIY Speakers and Theater