Im thinking about getting a new disc disc brake for my HT I don't need tons of stopping power or a very light weight Im just looking for a brake with good control and easy maintainance I have several brakes in mind, what do u think? 1. 2008 XT 2. Saint 3. Juicy 7 Budget is limited so I am not going to get a hope. Also, I want to ask if the Shimano "servo wave" thing works as it sounds? or its just a gimmick?