So I'm looking to get serious about mountain biking which means getting rid of the wal-mart special and getting something decent. I was looking at the Felt Q520 because my uncle owns a bike shop and he can get it for around $350-$375 which is significantly under the list price. He can also get Redline and KHS but thats about it for mountain biking stuff. So what do you suggest? I can't go over $400.