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 FriedmanRed Carpet Enterprise has been really well received since one guy can install it in about an hour, and it makes it trivial to deal with software management issues like deploying updates and creating standard package sets for your various machines.
Nat FriedmanI have a G4 at home. Theyre great machines for individual users, and I even know a few core Linux hackers who are having a lot of fun with them. But if you want to move the needle on the non-Microsoft desktop, youve got to look elsewhere.
Nat Friedman