Back in the days of SVT, you had the SVT Focus and SVT Contour. This gave an option to those who wanted performance similiar to a Mustang, but had to have four doors.
There's been rumblings of some sort of performance Fusion, but we'll have ot wait and see if it comes out. But, with GM and Chrysler going back to rear-wheel drive cars, when is Ford going to start looking at bringing out a good performance mid-size sedan/coupe, much like they offer in Australia, here in America? Check out this link to Ford of Australia that shows the different models of the Falcon our Aussie friends get to enjoy: