what do you think is the best race series? whats your favorite? doesnt matter at which level

my personal favorite are the legends there great to watch and from what ive heard, great to drive too

alms/lms

Any touring cars championship(WTCC,BTCC,STCC etc)

Gran Turismo

V8 Supercars Challenge

Nice cool sound and looking, many various camera angle, professional commentary,
high level of driving and... nice tracks :] It's best, i think.

Currently has to be the British Cadet Kart Championship and Super 1 Cadet Championship

Vids - http://www.youtube.com/watch?v ... &feature=channel_page and http://www.youtube.com/watch?v ... &feature=channel_page

Probably the best, most strategic, and close racing anywhere to be seen in the entire world. And it's just a bunch of 8-12 year olds! lol

iTCC

Or, when everyone is driving crap [which is often], then MoE =)