Try Neverwinter Nights. It's free to play Multiplayer online. It doesn't have the same scope as UA or EverSmack, but where it lacks in server population it makes up for in variety. There are probably several hundred "PWs" (Presient Worlds) that try to mimic the feel of a MMORPG as much as possible. One of the best is CoPaP (Confederation of Planes and Planets). They have something like 12 linked servers that all follow the same rules. So... if you are tired of plaing on server X then you can 'port' to server Y for a bit. All for FREE! All you gotta do is buy the Neverwinter Nights Platinum Edition package and DL about 400 MB of updates.
Check out these sites for more info...
http://nwn.bioware.com/
http://nwvault.ign.com/index2.shtml
http://www.neverwinterconnections.com/
Only game worth playing... IMO.
DB.