I am planning on going up to watch this if anyone wants to join? if you buy a ticket before the 27th April online it is £30.
I plan on taking the scenic route up there via cheltenham and avoid birmingham going to the west of it as per below. Probably going to find a BnB for the Sunday night and ride to circuit from there Monday morning.
See here for the schedule, lot of motorsport for £30
http://www.britishsuperbike.com/media/2165854/oulton%20park%201%20version%203%20publish.pdf
Aiming to leave London around 8 on the Sunday, leaving after the second race on Monday around 5pm.