ooprint is offering a 100% Free Business Cards called as Blogger Business cards and the cards are especially the ones which every blogger would love to try out once. The cards come 100% for free and you just need to pay for shipping if you are living outside US. In my case i just ordered for a 100 business cards set and had to pay around 7$ for Shipping and Vat.
Internet & Blogs Category Blogger Cards come without a Logo and just in text format though you can upgrade the package with logo and high paper quality by paying up some extra bucks.
Here are some sample cards which you can get once you check out!