In the past few years, DLP technology has come a long way in terms of both picture quality and affordability. Not long ago, an entry-level one-chip 800-by-600 projector cost about $10,000. With the advent of the higher-resolution (1,024 by 768 and now...

In the past few years, DLP technology has come a long way in terms of both picture quality and affordability. Not long ago, an entry-level one-chip 800-by-600 projector cost about $10,000. With the advent of the higher-resolution (1,024 by 768 and now...