Originally Posted by
xlDooM
I think for hydraulic disk brakes there may be a point in getting the servo wave equipped parts (SLX and up) because they run greater pad clearance so are quieter in the wet. If you have no complaints about your Deore brakes though, then even that is probably a waste. I like XT for poser value. That's pretty important for me in a bike, I ride more often if my bike looks nicer.
I bought a set of the Deore 555 hydro brakes about 10 years ago and they still work flawlessly like the day I bought them; maintenance is keep them clean and replace the pads when needed.