When it comes to propeller-beanie, techno-geeky, esoteric details, it’s tough to beat the micromechanical, digital micromirror device known as “DLP” (Digital Light Processing) from Texas Instruments (TI). (You can find out more about the details of DLP in Professor Poor’s HDTV Buying Guide.) This little chip is the heart of many front- and rear-projection displays, however, and has revolutionized the display industry. Still, it’s a bit of a surprise to...