Got a 2007 GT Avalanche 3.0 Disc last December(2006)... The stock parts were rather 'acceptable' but as you noe... Humans are GREEDY!!! So I started changing parts here and there and these are the upgrades my blackiee received so far...1) Shimano Alivio RD2) Shimano 8 Speed Chain3) Lizard Skin4) Maxis Crossmark 5) Setlaz Gradiator Grips6) Avid Juicy 5 Brakeset7) Shimano Alivio Shifters8) Truvative XR 3D Stem 2007 (Matt Gold)9) VP MTB Pedals (Red)10) Shimano Cable Housing (Red)11) Topeak UltraLight Tubular Alloy Bottle Cage (Red)12) Raceface NEXT XC Carbon Flat Bars my newest plan... to convert blackie into a racer... wahaha... forget about dj.