My Trek 920 was from an era when suspension was the exception. We got down all the tracks on our rigids no worries. We never ended up contorted cripples from the pounding we took. To be honest, the only thing that used to worry me was my finger joints feeling like they were separating. The rest of the body does fine with absorbing the rest of the hits you take.
That being said, I'm going to buy a FS xc bike just to see what it's like. Wonder if I'll like it or head back to the old 920.
