Here is my highly modified GT Avalanche 3.0...

Almost nothing is stock except the frame, seatpost and seat...

Wheels: Phil Wood hubs laced to Syncros Bix Box rims with 14G Wheelsmith spokes
Rubber: Continental Town & Country (decent on road and off)
Forks: Rock Shox REBA Race Dual-Air with PoPloc
Stem & Bars: Tomac
Headset: Cane Creek AheadSet ZS2 (8mm stack height)
Drivetrain:
Crankset: Race Face Ride XC 175mm ISIS splined crankset (44/32/22)
Shifters: SRAM Attack!
Front Dérailleur: Shimano Deore LX FD-M581A
Rear Dérailleur: Shimano Deore XT Shadow RD-M772-GS
Cassette: Shimano Deore CS-HG50-9M (11-34t)
Chain: Shimano Deore LX CN-HG73
Pedals: Primo Super Tenderizer
Brakes: HFX9 V6 XC Hydraulic Brakes F&R
Grips: Grab-On foam grips... The best!
Security: Kryptonite Lock and PitLock for the wheels, stem and seatpost.