First off grab a sandwich because it's a 1.5G file. Secondly, throw everything you know about prior GP games out of the window because the handling and feel has changed.
To tuck your rider in , you have to press a button to do so which just feels weird to me. As far as I can tell there is no rider or bike damage unless I missed it (SBK has both and tire wear).
I really didn't give it much of a go but something just does not feel right about this game to me. I feel like I can't let off the throttle and coast through a turn. it's hard to explain but once you let off the throttle the bike just stops it doesn't coast.
I will give it a serious go tonight and see if it's me or the game.