http://www.atspeedracing.co.uk/contactus.html
Its in Rayleigh, near Southend, about 40-45 mins away from Hertford. It would be cool as theres me and a FF 197, plus a 106 rallye, and a couple of other cars going.
It'll cost around £35-£40 i think, or if you didn't want to run your more them...