The big drawback is the size of the chip, it's only 1024x576. The spec for 720p is 1280x720 so it is lacking a little.
Here is a link to check out.
This company handles about all the projectors out ther so they have a good selction. John
http://www.projectorpeople.com/projectors/projdtls.asp?itemid=19029&itmname=Sony+Cineza+VPL%2DHS51
I have been looking for a TV for along time now and have never been able to find 'The One'. I was in my local Costco and saw this
http://www.costco.ca/en-CA/Browse/Product.aspx?Prodid=10284302&whse=&topnav=&cat=2342&hierPath=79*2342*
I never really thought about a projector but this seems to be fairly respectable. I would be putting it in a basement room about 20'x40'. If someone who has had experience with this or is knowledgeable could tell me what they think. Thanks,.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic