IMO, that GXP is friggin' cool! If there were no Camaro, that'd the the first car in line for me to get (well, a CTS-V; but that's too much $$$). I'm sure Camaro times will be dropping a tenth or two when the rags' start reviewing in weather with a little better traction because although the cold is good for power, it ain't good for hookin'. I think the power and weight differences aren't going to mean too much in terms of raw speed, but the handling is where the spread is going to be a little greater.
Either way, Camaro is based on the same chassis, has similar engine/drivetrains, and weight and harbor no disappointment at all. They're great improvements on top of the older generation cars, IMVHO.
"...What IS true: We anticipated that this would happen - we are never finished - and yes, Ford DOES deserve to win now and then. To think that GM can come out with a car to make ford throw in the towel is simply foolhardy..." - fbodfather