Just sold my 07 with 15,000 miles for $4700, could have gotten more if I would have held out for a little longer. So if you buy the 07 you will likely be able to get most if not all of your money back in a year. Who knows, you might decide to keep it for the North to South trip.
Personally I would go for the one that is in better shape if you can swing it. 2001 models are known to have some surge/stall issues too so you might be getting yourself into a bike that ends up needing a lot more attention than it looks like at the outset.