Boone-Titan, I just got back from KY today and did one of the trails at Mammoth Cave National Park yesterday. Got a nasty bruise on my hip trying to cross a stream bed. I am still trying to get used to clipless pedals.
Slurppie, If you find a bike you like look on the review section here
http://www.mtbr.com/
This will also help you narrow down a selection.