T-Bat...
Go for the GXP. You can find a good used one for way cheaper than new. These cars, along w/ the other GP's take a huge hit in value once driven off the lot.
I loved my GTP, but I love my GXP even more b/c of the beginning hp. and all the options available.
And yes, the "04+ GTP's have more hp. than the '97-'03 do b/c of the more efficient supercharger.
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2007 Shadow Gray Metalic GXP
K&N Air Filter & More goodies to come.