As Mono matures, people will begin to use it to write desktop components that take advantage of all the hard work thats gone into some of the meatier GNOME libraries, as well as the nifty language features of C#.
Nat FriedmanBig Linux deployments have reached the point where it's become a real problem for administrators that they don't have nice tools to manage their servers and desktops.
Nat Friedman