NASCAR2003 Replay Analyzer Homepage  
What is N2003 Replay Analyzer? In short - it is a freeware program with which you can load up your NASCAR2003 (made by Papyrus) replays and analyze/compare driving lines and different kinds of "telemetry" plus generate race and practice reports and a bunch of other statistics.
Furthermore you'll find lots of different tools and features in N2003 Replay Analyzer, explore the menus on the left to find out more about them.
August 27 2007: N2003 Replay Analyzer is now freeware!