I've got my G25 and its awesome, I think im going to have to get a new compter chair or a chair without wheels as sometimes when i brake it sends me rolling backward. Anyway merry christmas.
Yes when you go to buy your licence it will ask you whether you want to unlock S1 or S2 if you buy S2 you get S1 content with it plus the S2 tracks and cars. (hope that helps)