FYI: I was up at Hardwood Hills this morning, and they had only one fatbike (a Trek Farley 6 for sale, $1500). Wasn't sure if they were still renting it or not. Also not sure if it is a good sign or a bad sign that they only had one; it appears that they sell off their rental bikes at the end of the season, so maybe all the others were snapped up quickly. It did look like it would be a lot of fun.