Marc,That MC7 on eBay looks pretty good for the money. Here's a 35' Buffalo that just popped up on Craig's list......closer to you and within your budget:http://atlanta.craigslist.org/atl/rvs/1472312788.html
Ouch.......that is pretty ugly. Can't see that in the Craigslist photos.
After seeing that, I had a new appreciation for the all-aluminum models. Needing probably $1,500 rust repair and paint after that, I think he will have to get down around $3k to sell.