Here are some useful resources related to business cards.
Either create business cards completely on your own or let them be printed in larger quantities (minimum is 50 usually) by a printing shop.

The below listed shops ship worldwide…
but don’t forget that there might probably be some printing shops near to your hometown (that way you can save the shipping cost)

Business Cards Tutorials & Inspiration

• Business Card Design Starter Kit: Showcase, Tutorials, Templates (Smashing Magazine)
• Designing and Producing Creative Business Cards: Techniques and Details (Smashing Magazine)
• On Printing Business Cards (Tiny Subversions)
• Business Cards, Continued (Tiny Subversions)
• Business Cards Inspiration (Creattica)
• Business Cards Discussion (TIGSource Forums)
• Business Cards Designs (TIGSource Forums)

Printing Shops that print Business Cards

• MOO
• Overnight Prints
• Vista Print