Enjoy the Mustang while it lasts. After Gore gets his way the Mustang will be effectively outlawed.
Actually, Ford has a V6 that gets 305 HP, and 30 MPG Highway. It’s the Eco-Boost V6. It’ll be standard in the 2011 Mustangs, I believe.
http://www.autoblog.com/2009/06/16/report-2011-ford-mustang-to-finally-get-new-3-7-liter-dohc-v6/