I just ordered a few business cards for moov.co (my somewhat stealthy startup-project). I decided to get them from moo.com, since I've been happy with the cards I've gotten from them before.
Take a look at the design:
What do you think?
Anyways, if you need any cards for your business, startup, or just to enhance your networking, you should also check out moo. They let you order in small quantities (from only 50 cards, vs the industry standard of 250 cards), and you get to pick different designs for the back of the cards if you want to. That's pretty rad.
If you want to give it a shot, use my referral link, and you'll get 10% off your first order :)