Yes, gunmetal would look good. It does on just about every car. But you said, you want to be different. I voted for the bronze, but I think the dark gold would be right up there. With as many wheels as you've had, doesn't seem like you would have a problem swapping again if you didn't like.
2011 GT Premium 6M convertible. Sterling Gray w/401A package, charcoal seats w/grabber blue stripe. Security package. Roush front fascia, splitter and rear wing. Black bullit wheels with 18x9 front, 18x10 rear. FRPP suspension. FRPP x-pipe. Roush axle-back exhaust w/square tips. JLT carbon fiber CAI with custom tune. Carbon fiber engine cover & coil pack covers.