Reckon its a bit late in the day to be honest. Though you might get lucky with a cancellation! The camp sites directly opposite the track look good, but again I don't know if they will have space this late on.
I've always driven there and back all 3 days because I never get my ass into gear in time to book accomodation! Plus I tend to go with different people on different days.
Where are you sitting this year? Not going myself

Yeh, only found out i was going recently, and left it this late last year, when we stayed in Aylesbury, but thats fully booked this time.
We are sitting in the Vale grandstand and you can sit where you want friday and satuday.
Yeh, haven't tried Mlton Keynes, so will try it thanks.