$7K is a bit over priced to say the least. Edit: The extra $7K includes the sport and nav package. Now that makes more sense for the high price differential.
"The 370Z® 7-speed transmission—the convenience of an automatic and the power of a manual. Tailor your driving experience like never before with 7 speeds and a choice of driver-selectable modes, while Downshift Rev Matching provides ultra-quick downshifting for performance no manual can match. Except, of course, the 370Z® SynchroRev Match® 6-speed manual for real men!"