I just found out about this new printing service online called MOO. It seems to be a great concept and it has inspired me to come up with some ideas of how you can use it to promote yourself. The cards that they manufacture are based on photos that you have from Flickr or if you have a Skype account you can design called so people can contact you worldwide.
They had an offer for 10 free cards but now that promotion is over. The neat thing about the service unlike most business card printing services is that you can design each card individually. I will order a batch of 100 and post it later. In the meantime check out the Moo photo gallery.