Other Games Played By Freelancer''s
Myself, I have always been a fan of the entire Command and Conquer series (save Renegade, which was an offshoot more or less), Doom, Wolf3d, Duke3d, Civilization 2: The Test of Time (I did not like any other Civilization game at all), Master of Orion 2 (woo-hoo! This game ROCKS, too bad they couldn't repeat it with the thrid), the Thief series (VERY VERY original and fun, can't wait for number 3!), a bunch of Star Trek games (too many to name specifically, although my fav by far was the ancient one for DOS I can no longer play unfortunately, Star Trek: A Final Unity), The Riddle of Master Lu (another DOS classic)...
And my last one before Freelancer (and longest game experience ever by FAR, I spent probably over 5 months alone finding and doing everything I could until I finally allowed myself to complete the main story and beat the game, most games take me 2-3 days): Morrowind (and its expansions).
Unfortunately I never got the chance to play Privateer, and I'm sure I never will (all those DOS classics are now beyond my ability to play, I don't have the time nor the resources nor the drivers to set up a working DOS partition or anything like that).
I know this list is probably very inconsistent, but generally, I play any game that is fun to play, and don't limit myself to certain classes of games.
Live Long and Prosper.