Actually, even with my 1080p screen, I prefer the 720p output of my V-box to the 1080i. Progressive just looks better than interlaced....
Sharp 46XL2E 100hz LCD
Sharp BD HP20H Blu ray
Toshiba EP-30 & 35 HD-DVD
V-Box HD cable
Pioneer DV600 DVD/SACD/DVD-A
Yamaha DSP-AX759SE 7.1 AV Amplifier
KEF 2000 Speakers