$7,200 from a dealer isn't a bad price at all. If you take some time to shop around on ebay & cycle trader, you'll probably find one cheaper than that. That said, the bike you're looking at is barely even broken in and you typically have a little bit less risk when you buy from a dealer.
The problem with shopping around on ebay is that you may end up waiting a long time and spending a fair bit of money driving around to look at different bikes. Also, you have to be careful that you don't get screwed in an internet deal. If I were you, I would check ebay and cycle trader for something comparable or better that is nearby where you live. If you find something close, go check it out before you go back to the dealer. If you don't find anything close-by, I'd try to squeeze a few hundred dollars more out of the deal from the dealer and take it. He won't be making any huge profit on the numbers he gave you.