Can you help me find cool U2 T-shirts?

[RadRacer]

Does anybody know of a good place to shop for a variety of U2 T-shirts? The best place I've seen is U2.com, and I don't like it that much. The selection is pretty limited and they're $20 each. I've been looking on Ebay and, what can I say? Ebay is like Ebay - it's got some good and a lot of useless auctions going, all the time.
I would like to see not only shirts for this tour. And what happened to interesting designs that at the same time have something to do with U2?
Any suggestions?