I've done it a few times in the past, AWS, and can confirm that its up there with the best of biking.  I still fondly remember my first time on the island on my ZX6 and, man, I was quick in those days  (age seems to have tempered me somewhat!!!!!)
  There are a few things that just HAVE to be done in ones biking lifetime.... IOM TT, Nurgurgring, magistrates court, moving off with a disc lock still on    
 
 