Check it out, looks like they made em afterall. I had heard they were going to, but never saw one until tonight when I was searching the web. Doesn't look like they did anything to the motor though :(

A couple more pictures and links to information on them:

http://www.seriouswheels.com/top-2005-Ford-Mustang-GT-Coupe-Roush-Performance.htm

http://www.roushperf.com/mustang_st1.shtml

My friends dad has one...he's had it for a while...

http://i31.photobucket.com/albums/c377/YeahItsAHemi345/Hurricane%20Hotrods/roush.jpg
http://i31.photobucket.com/albums/c377/YeahItsAHemi345/Hurricane%20Hotrods/roush1.jpg
http://i31.photobucket.com/albums/c377/YeahItsAHemi345/Hurricane%20Hotrods/roush2.jpg

The stage 1 is just for looks and the stage 2 is for looks and performance.