I quite enjoyed Mallory Park when we tried it some months back. It seemed to behave itself with 3 of us there.
http://sabreteam.speedgeezers.net/sabreteam.htmlI notice in that collection there is Thruxton too. Don't remember trying that track yet, could be fun.
I would, of course have to request Castle Combe too
http://srmz.net/index.php?showtopic=1071If I had more time and access to a server I would have liked to have run a full British championship with many of the classic tracks. Maybe something for the future.