Although I don't have one (wish I did) I'd say the CSP is pretty cool looking, and another one I don't have, the JP Palladium is probably pretty cool looking xD
I think all the Amex charge cards are pretty good looking and so is the Sapphire Preferred. On the other hand, I think the Amex Blue series is pretty cheap looking.
The only reason I keep my cap one card is because of the picture of my daughter on it !!!!!!!!!!!!!!
ID go with Discover IT, for now. Then Zync. I may change my mind when my BCE shows up.
My Citi Prestige card is probably the nicest looking one in my wallet... prob casue of the silver mastercard logo