Toshiba on Tuesday announced the release of its latest mobile projector, the TDP-SP1U. Weighing in at 4.8 lbs, the projector is among the lightest portable offerings in its class, and offers a native SVGA (800x600) resolution along with a 2,000:1 contrast ratio. Unlike typical projectors that make do with four colors, Toshiba's DLP BrilliantColor t