Big wallet with passport, foreign currency and other things that I need while on the go. Plenty of room for extra papers such as visa printouts, etc. Gift from a former employer.
Small wallet with the cards I use every day and some unfiled receipts. Gift from my GF after she heard me whining about how my big wallet was too big for normal everyday use.
I have two wallets that I use:
So it holds true for me, at least.