I fully agree with Clint - Just give us proper 720p and we couldn't be happier right now.
But, If internet speed penetration in US would be anything like Japan's or S.Korea's - aka cheap 100Mbp ethernet drop in every house & apartment - I'd demand 1080p with dts,
Aka alas, how come 2h 720p movie [H.264] with 5.1 DD which takes space roughly equal to one DVD, looks and sounds way better than cable's "HD"
The person who develops better compression than avc/h.264 should get Field Medal