Really? Not LBP or R2? Do you only buy single player PS3 games (like VC)?
A lot of games are 1 player for the PS3. Heavenly Sword, Uncharted: Drake's Fortune, Infamous, Ratchet & Clank. Odd thing about that is the fact that Sony's 2 big RPG's that are hitting the US this year (WKC and Demon's Souls) both have online capabilities and whatnot.