If you really want the V8, look for someone selling a FR interior or ask around in the forums if someone is willing to trade for the black. I have seen a few interior swap threads on here occasionally... especially with the guys that strip the car down for track use. And since the price of the car is dropping, youll prob see more folks buying them for track purpose only.
Otherwise, wait for the next gen...
"With great power comes great responsibility." -El-Superbeasto