If you like MMOs, check out 9Dragons. It's a multiplayer online game where you fight using martial arts (I'm a ninja, bitch!).
It's currently in closed beta for US and UK players but the UK closed beta is easiest to get into.
http://www.9dragonsonline.com/index.asp?PageID=92 UK closed beta link
http://9dragons.acclaim.com/ US closed beta
http://profile.myspace.com/index.cfm...endID=92285186 some videos of the fighting styles you can choose from
Both the US and UK versions should be going to open beta (everyone can play) sometime in January.
The US version is going to be free to play once it's released. No cost for the game and no monthly fees. The game will be supported by an "item mall" if you wish to buy some items.