yep, I have done all 4 levels, along with many others here who have done 1 or more levels, MW, Dickieducati, Red-Leader, Ian Harris, JPM, Lily and many others ....... you will love it .. for me Level 2 was the biggest turning point ...
Info on my 3 & 4 are here ...
http://217.199.188.40/xmb/viewthread...7638#pid269100