Yes, definitely RBR. It's old as hell but there is more than 15 years of community work in it and that's something the nice modern graphics can't overweight.

After installing of the RBR continue on http://rbr.onlineracing.cz/index.php...l&p=howtostart For sure it will take you some time to familiarize yourself with all those tons of mods but you won't regret.