How much do you weigh???
I'm pretty big and still ride 32h. You can easily build a 32h wheel in a strong fashion.
If you were doing a lot of jumps and downhill runs or really really aggressive riding, I'd suggest a 36h, but for what you've described, go 32h.
L8R
__________________
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger