what usb to get

ok i got some info from my last post and the reson is that i want to get a 8 g or 16 g usb drive and i got a few that need to be answer. what type of usb sould i get. can i play ps1 iso on it and if so how munch space sould i leave on it. all so i like to get a countroler to play the games and i like to know what type to get

Well, 16 is ALOT and more expensive. It really depends on how many games

??? what do you mean by can i play ps1 iso on iti terms of a good controller i use a xbox a 360 madcatz pad

I thought he/she is asking about the Pro Duo memory sticks, and assumed that they were asking about having PSX games for their PSP.
Maybe we need more clarification from gameboy5.0