Kickstarter is a great place to go check out playing cards. I go there sometimes just to window shop. They always have tones of stuff that looks so good. I haven't backed any projects yet, but I think it's because I just can never make up my mind which one to go for. Although I do see some of the decks show up later on eBay and Amazon. So I do have time to think things over, at least with some of the decks.
Excellent arty stuff.