A couple of people mentioned this at the meet. For those that are fully paid up members of the OC, there's a nice article in this month's STHT. For those that haven't, there's a load of threads on the Motorsport forum, with the essentials here.
The Motorsport Co-ordinator has managed to persuade the rest of the committee that there should be an official club-wide event where cars get driven rather than polished. So it's free (except for track time and food/drink) to members. Nick's running the track stuff, and so it will be good weather and it will be fun.
I've signed up for a place on track, and I'd encourage anyone else who is hesitating to get their form in ASAP. I drove Blyton circuit last year and can tell you first hand that it's a good circuit for learning. There's only a few corners, plenty of run-off and no camber to worry about. A large part of it is (or can be) flat-out in a stock car, and it flows nicely. Basically you won't get lost or confused.
So who else is going?