(help) i am looking at buying a coupe. i am considering an 06-07 g35 coupe 6MT fully loaded or 09-10 rx8 r3. i am currently driving an 08 mazdaspeed 3, which i am trading it for a cx9 for the wife. i am not looking really for a car with a lot of hp since the speed 3 i rarely boost the car. i am...