Where can I find nice printed t-shirts for men?

How about a trip to Oxford Street or perhaps Bluewater? You could look online at ebay - there are bound to be lots on there. And, although it seems old fashioned, M&S might do just what you're looking for - you could look at their website before going to the shop and can order online if you want to (�3.50 for delivery). How about Camden Market? Happy shopping!