Replying to Which bike

yo i race xc mountain biking.  i ride in michaux pennsylvania which is really rocky and rooty technical stuff.  right now i ride a felt rxc elite...



i want to get a cross country full suspension bike and spend up to 2000.  right now im looking at 4 bikes.  i would like some input on which one you riders think is the best.  i am also open to any suggesstions.

Specialized FSR xc Comp $1650 http://www.specialized.com/us/en/bc/SBCBkModel.jsp?spid=40122&eid=95



Giant Anthem X3 $2000  http://www.giant-bicycles.com/en-US/bikes/mountain/2270/32154/



Giant Trance X4 $1500  http://www.giant-bicycles.com/en-US/bikes/mountain/2272/32148/



Jamis Dakar XCT 1 $1775  http://www.jamisbikes.com/usa/thebikes/fullsuspension/dakarxct/09_dakarxct1.html



and if it matters i am 5 foot 7 and 130 pounds.  thanks for any input and plus karma!