That big double in front of the rostrum is awesome if you want big air. In the video of the racing the cars don't fly as much because for speed you need to be landing on the down slope. Go big and you lose time, but go big and you really can go HUGE!
I doubt you'd get bored going round in one direction because you 'need' for try and go quicker and quicker. That middle rythem section is tough to get right, but once you get the fell for it it's very satisfying.
As for getting a BRCA membership it's worth it even for general bashing because of the 3rd party insurance cover. Get sued without that liability cover and it could cost you a fortune. Imagine if you hit a kid at Fenton, these days parents wouldn't hesitate in suing. To run at a race track you would have to have BRCA membership, but for