Soldato
surfdome, debenhams, m&s, redbubble (tshirts), blacks, cotsworld
Omg, didn't think that Redbubble was that well known. I've used them 3 times myself for t-shirts
I like Next as well, 'though we have lost ours in Stafford so haven't used it since they closed. Apparently there is one in a business park in/near Stafford but I can't drive to access it.