If your business cards are looking lifeless, then consider getting some mini business cards made. They are just so cool. I went to a conference just recently and it was amazing how many people are starting to use them. The easily fit into your hand and when you give them out, they are a real topic starter. People always comment.
One one side of your mini business card you can have anything you like. Make it something that portrays your business. There are lots of templates online to assist you in finding the perfect picture or logo. Make it fun and make bold and make it stand out.
On the reverse side, don't forget to update your details. Ensure the website and email addresses are correct.