I'm thinking of getting back into XC racing this fall and I'll need a new bike to do it. My budget is limited so Ti and Carbon are out and so are most 'light' weight frames as my 230lb fat arse doesn't ride smoothly. I think I've come down to a Chumba HX1 or a Santa Cruz Chameleon as the base frame. Anyone have any experience racing on these frames?

Cheers for any info.