Start-up Lumenlab tries to create the ultimate convergence box.
Unfortunately, 1080p projectors still cost mounds of cash. In the long-awaited conclusion of our Home Theater Month, David and Patrick build one up from a Lumenlab DIY Projector Kit.
With less powerful features, the "Q42" HDTV-PC still goes for $3,850.
The 42-inch HDTV has a 3-terabyte PC built in.