Here a list of useful threads in the RD GTL forums:
GTL Results site
GT Legends Windows Vista Patch
G25 Profile for GTL
How to: unlock all the cars?
GTL Pitstop Hints / Tips
[URL="http://www.racedepartment.com/downloads/gtl-miscellaneous-24/mercedes-300sl-collision-fix-1023/"]Mercedes 300SL Anti-Collision Fix[/URL]
GTL with Windows 7
GTL Results site
GT Legends Windows Vista Patch
G25 Profile for GTL
How to: unlock all the cars?
GTL Pitstop Hints / Tips
[URL="http://www.racedepartment.com/downloads/gtl-miscellaneous-24/mercedes-300sl-collision-fix-1023/"]Mercedes 300SL Anti-Collision Fix[/URL]
GTL with Windows 7