Yeah when I think about it I guess your right. But when I say good gas mileage with performance I mean good gas mileage for daily driving. I don't really expect to get good gas mileage when I'm racing or whatnot. If that is what you mean then I guess I'm in trouble.
One more thing, of the cars that I'm looking for I would like it if you didn't have to do an engine swap to get the performance that I want as I'm not very mechanically inclined and would have to pay someone to do the swap for me.