Response Mountain Bike.
If Responsive all mountain setup is what your after, then the Response with parts from Truvativ, Quad and WTB is the answer. This bike is a great starter for UK trail centres.

Features:

Alloy Vectra all mountain Hydroformed frame.
RST Gila Pro Remote Lock-out 120mm
Truvativ ISO Flow 3.0 42/32/22 Chainset.
Quad Axis hydraulic disc brakes with 160mm rotors.
Diamondback doublewall trail rims on Quando alloy 36H hubs.
Diamondback handlebar and stem.
WTB finishing kit.