I'm going to upgrade the brakes on my Felt and considering the choices of mechanical vs hydraulic. The bike has some lower end mechanical on it now and seem to work fine. What are the pros and cons of staying with the mechanical or going to hydraulic.

Where I'm located it's flat nothing to drastic as far as down hill, mostly xc type stuff. From my experince in other forms of racing, I can see that there is some advantage of mechanical over hydraulic like brake fade and brake pump. Is it easier to set a brake bias on hydraulic the mechanical?

Whats your opinion? Other than I like really expensive hydraulics because their cool.