According to Gamasutra, Oblivion: The Elder Scrolls IV could be a launch title for the PS3:
According to online reports citing an inadvertently mailed version of publisher Bethesda’s forthcoming game release list, the company is planning to debut PlayStation 3 and PSP versions of its hit Xbox 360 and PC title Oblivion before the end of [...]
"Oblivion Set For PS3 Launch?" - 25.04.06