MK?
"but being able to change up as you exit a roundabout means even Milton Keynes can be fun."
Eh? Those roundabouts always seemed to be designed by someone who had engineered them to be able to be taken at speed - once you find the right line it's the same for most of them.
Changing up as you exit - Are you sure you've only just found this?
Blimey, kids these days . . . .