Get the 7. It's the lightest and fastest. It has the ACD and the AYC = more power to the ground and better handling. The ACD started in the USDM Evos in, I think '05. The only thing is, the 7 doesn't have OBD II, so if you live in a county that requires emissions, it might be difficult. However, if you can figure a way around that, the money is better spent. I may know of someone who can pull one into the country, if you are interested. PM me if you are, and I will give you his contact info.