To respond to an earlier question a bit more though, Pauliunas, you’re right many people wouldn’t give it a second glance.
It is surprising how important it is, though.
If you met a businessman who offered you his business card, and it was obviously crooked, or printed badly on flimsy photocopy paper, or had spelled the name of the business wrong, well that’s not a good sign, is it?
Sometimes design is good because you don’t notice it. Consistency and a good visual representation of information does far more than most people think. There are shortcuts to displaying information that make it easier for you to take it in effortlessly.
Think of a nicely done article in a magazine vs. just a block of text with no spacing or punctuation. They could say the same thing, but one is a pleasure to read and the other a nightmare =)