I came across a site that is full of fantastic info on the 2000 Cobra R. Click on the other pages at the bottom to get a wealth of Mustang history and info:
1999-2001 Ford Mustang SVT Cobra: High Expectations - The Motoring Enthusiast Journal | Enthusiast's Corner
1999-2001 Ford Mustang SVT Cobra: High Expectations - The Motoring Enthusiast Journal | Enthusiast's Corner