To get the best picture out of the HD1/Z1 using a computer, you need to set up the PC for 1:1 pixel mapping. You will need PowerStrip, a video card that can output 960x540 resolution, and change a few settings on the PJ. Otherwise, the HD1/Z1 will rescale the PC image and look kind of rough...
For Sale: Viewsonic PJL 830 DLP Projector (Davis 450 clone). The unit is in excellent condition and includes all original cables, case, manual, and box. I bought this unit refurbished about 2.5 years ago. It has approximately 300 hours on its 6000 hour bulb. As you probably already know...