I've bought many times over from Jeff King.
He's cards are generally all auction, once in awhile he'll have a buy it now price for cards.
Generally, he breaks up a couple of sets a week and sells each card off.
So if you're collecting sets, and it's post WWII, sooner of later it'll show up on Kings auction.
http://www.ebay.com/sch/klinger83/m....m=&_ipg=&_nkw=