Before the Vita--which PSP games are "Must own" titles?

[badgenome]

M.U.G.E.N said:

I'm actually considering buying Kenka Bancho for psv via psn. Would you recommend it ? how's the fight/brawl mechanics?

It would benefit a lot from a dual analog set up, I think, so hopefully it will work with the Vita's sticks. Other than that, it's not too bad for what it is. It can get repetitive, but it's reasonably challenging enough that it stays kind of engaging.

Plus it's fun to beat a boss and make him your lackey. Collect 'em all!