Nearly identical since they are both Treks.
If you didn't know, Trek owns Gary Fisher, frames are made the same, but with different geometries and paint.
__________________
"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