I've used this for the past 4-5 years....maybe more? 
http://www.fossil.com/webapp/wcs/sto...Path=ML3235001 Works great.  Holds my drivers license, AMEX, Visa and cash....which is all I ever need.  Sometimes it will hold a business card for a bit.
I look at the George from Seinfeld wallets and wonder, what they are carrying and why they need it.  Then again, I think the same thing with whatever purse my wife may be carrying around.....