yes
No because Call of Duty Black Ops does not have a PSP or PS vita game version. You will not be able to play any PS3 games on the PS Vita
psp 3000 way better
No, you will not need to purchase a PlayStation Plus membership to play online with the PS Vita.
no fifa 2013 will be on the ps vita
No you can not play the PS Vita games on a PSP.
Without wi-fi, you can't play online multiplayer on PSVita. But you can still use Media Go! to do system and game updates, and game downloads from the PSN. Plus of course if the game has no multiplayer option, then wi-fi is not necessary there either.
Yes, the PS Vita's games are region free. A Japanese PS Vita will play an EU game.
The Vita is the new Playstation portable that will not be released until December 31 2011 You need the Vita to actually play games on it
The PSVita's predecessor was the third generation PSP, PSP-3000.
Yes, they can connect over ad-hoc wi-fi.
no
No, but you can link the Vita to the PS3 console