Even so, it may not be a usable as a computer monitor as one might wish. Here is one of the best data sources for RPTV resolution questions:
http://hometown.aol.com/ajaynejr/video.htm
… and a thread at AVS discussing the issues.
http://www.avsforum.com/avs-vb/showthread.php?s=&threadid=159655
I agree wholeheartedly - I’ve been using a DLP XGA front projector for a year. Amazing for computer use & HDTV.
With fixed-pixel devices like DLP, LCOS and LCD - you get all the pixels without the resolution limitations of CRT focus, convergence & lenticular screens.