Well supposedly whatever is going on right now is scheduled to change pretty shortly. Chevy just committed to getting back in the cruiser game with a redesigned Caprice and Ford will supposedly offer a version of the Taurus to replace the Crown Vic. They are also coming out with this:
Ford reveals new SUV police cruiser
Supposedly the rumor is that some of the police interceptors will have the ecoboost engine designed for the SHO which I believe is over 300 HP with dual turbos, no word on if they will be FWD, RWD or AWD, AFAIK. I guess we'll see soon, just hopefully not in our rear view mirror.