hmmm, i dont think anything, have you beat pro mode? if you have and nothing happened then, nothing if you get a new gun, TELL THESELLDEMON!!! so it may be posted on the cheats page
Nothing on gamecube, but you unlock the p.r.l 142 and another set of specail costumes on all the other systems.
specail costumes newly unlocked.
Leons gangster costume.
Ashlys night outfit wont let her get grabed and taken away.