I was starting to do a Darth Maul focus, but it died after a few months. I really didn't eant to spend a lot of money on just Darth Maul stuff. I'd rather spend it on all sorts of different Star Wars stuff.
I'd have to say though that I'm a huge fan of army building. I have a ton of Imperials, Rebels, Separatists, Republican Amry, etc. That's really my main focus I guess.