If you haven't heard of Balsamiq Mockups, get out from under your rock and go look. I'll wait. Back? Cool, right? One really cool part is they will give you a free copy if you ask, but the deal is you have to blog about it. So this is me blogging about it. I heard about Balsamiq a while ago, but it never really clung to me. I never really had the need for it. I downloaded it and played with it for a few minutes, and then moved on with life. Then…