They're nothing compared to the "WestCan" games or so I've been told. I never went (too young and all) but that is the stuff of legends.
As for going to the big games though, you should consider going to a few smaller skirmishes first. That way you can get an idea of the gameplay and how things work.
ಠ_ಠLess QQ more Pew Pew
READY TO >> RACE