I did it. It's quite fun. Good venue to learn basic car control skills. If I could do it every month, I would - it would probably be good for me!
There is a driving event that the BC BMW club holds up at Boundary Bay, and I found that to be a good event - a lot like the Puget Sound event, but a smaller group. Worth checking out, if you want to drive.
You can always borrow a helmet from another member. On the off chance you're a small
aranoid:, you can borrow mine.