i don't want to chime in into a discussion about a topic i understand nothing about...but is there something speaking against the track format of racer?it's well documented and there is an *HUGE* collection of *great* quality tracks (and cars) for racer. (and i would love it to use my favourite ones with vdrift)(racer homepage)
http://www.racer.nl(forum where development of racer, cars and tracks occurs)
http://forum.rscnet.org/forumdisplay.php?f=111(database of cars & tracks)
http://www.racer-xtreme.com/