i recommend the T260HD due to the lower price, higher resolution, 3yr warranty, and 2 HDMI ports. I personally have the T260HD and it's a great monitor/hdtv.
T260HD
- 16:10/1920x1200 resolution
- (2) HDMI ports
- cheaper
- no composite a/v
- 3yr warranty
P2770HD
- 16:9/1920x1080 resolution ie 1080p
- (1) HDMI port
- composite a/v
- vesa mount
- picture in picture
- 1yr warranty