The MG Car Club are running a sprint at Sandown Raceway on Sunday Aug-29
Entry is $130, and you'd get at least 4 runs of 4.5 laps (You get 3 lap times for each run, with a 3/4 lap warmup and cooldown)
Entries open next week. You need a CAMS "L2S" licence to run.
http://www.mgcc.com.au/competition/index.shtml
You can see we had several "invited" cars running at the same event last year, down the bottom of: http://www.mgcc.com.au/competition/09comp09-laps.shtml