Traded 7 games for Valkyria Crhonicles,Cod 4 and Killzone2,was it worth it?

[Simulacrum]

So I traded

FF 7 Crisis Core (PSP)

COW Chains of olympos (PSP)

Breath of fire 3 (PSP)

Metal Gear solid portable ops (PSP)

NHL 08(PS3)

Dead Space(PS3)

Assassin's Creed(PS3)

For

Valkyria Crhonicles(PS3)

Killzone 2 pre-order(PS3,they sent it for me at 25.2)

Call of duty 4(Ps3,game of the year edition)

Did I do good deal?