Before I built my HTPC, I used my Panasonic S97S Upconverting DVD player with my Sanyo Z2 (1280 x 720 native). I also used a DVI/HDMI cable. On the projector I had to make sure I had the correct input selected. To me I thought the 720p selection was better than 1080i, since it matched the native resolution of the projector. Compared to 480i or 480p, it was much better.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85