I was waiting for this response Nick.
In the hope that you'd be the first to try one of these.....

http://www.bikehps.com/cabs/

No ones saying you need to do anything. And as is the way with technology i'm sure it will eventually be a thing of the past.
That being said I have personally never seen the really fast guys not do it.

And i love my bike, i'll do most anything to help extend its longevity and reliability, especially the little parts that i can't see.