I know a few guys in the local MMA scene in my area that have told me about him coming to be part of demos and the sort, and they all tell me he is a prick.
But, I love his fights. Every single one of them. Dude is awesome to watch.
Top three favorite fighters in order:
1) Carlos Condit
2) Rousimar Palhares
3) Josh Barnett
Least favorite three fighters in order:
1) Nick Diaz
2) Michael Bisping
3) Rhonda Rousey