Its great, some of the stuff you can find out about anything including non-car related stuff is amazing. Ask a question and in 5 minutes you'll get an answer. Dead friendly in the main too. I'm certainly not one of the 'in-crowd'.
Some people treat it a bit too seriously IMO, i'm used to a bit of banter and piss taking so it's all normal to me.
Folks get the hump far too easily on here occasionaly and it blows out of proportion.......best forum on the interweb by miles.