4 MTB's - which is best spec and value for money ?

i have narrowed my long list down to 4 MTB's now after alot of trawling through reveiws etc... the bikes i have narrowed down to are :
Specialized Rockhopper Disc 08
GT Avalanche 1 Disc 08
Commencal Combi disc 08
Cube Acid 08 (this ones a bit over budget but if you guys reckon its better than the rest i might have to dig deeper to get one !)
so of the above which will serve me best as a good all rounder for beginner like me
thanks for input in advance
Specialized Rockhopper Disc 08
GT Avalanche 1 Disc 08
Commencal Combi disc 08
Cube Acid 08 (this ones a bit over budget but if you guys reckon its better than the rest i might have to dig deeper to get one !)
so of the above which will serve me best as a good all rounder for beginner like me
thanks for input in advance

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i am set my sights on avalanche 1 disc yesterday after sitting on one but in the next shop i went to i saw the rockhopper disc in red and it looked fantastic and felt good too £50 difference in the 2 bikes is the extra £50 worth it spec and lastability wise ?
so were down to 2 now, which will it be ??????