Try each device and setting and see which you like. Given each can do it differently your choice is what matters.
There is no real reason to pick it any other way.
Bob
my new receiver, onkyo tx-nr809 has all sort of upscaling selections, is there a benefit to having av receiver upscale video (source is directv hd dvr and tv is mitsubishi wd-82-738.
Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic