My system:
Panasonic front projector model PT-AE700U 720P native scan
166 inch self made screen (can fill with image or reduce to taste)
Pioneer Elite DV-59AVi DVD Player upscale to 720P
HR10-250 TiVo Directv upgraded to hold 103 hrs of HD
Pioneer Elite VSX-59TXi Multi-channel 7.1 receiver THX Ultra2
Axiom speakers (Epic 80-500) set up in 7.1 THX Ultra2 configuration