We've talked about it on this blog A LOT. (see here) In this age where almost everything can be commodotized (including your services), you need to make it clear...from the outset...that you are different.
There are tons, probably billions of business cards. Most are the same 12:34's isn't (that's twelve thirty four, btw). Just look at it.
It makes you stop, think, and comment on it. In other words, make a remark.
What can you do so that people will make a remark about every aspect of your business?