The Killing Zone is the hot action packed Netmech league, also supporting Mercnet, Heavy Gear and X-wing vs. Tie Fighter.
The Registry, where you can register as a MechWarrior, and find information on internet Netmech play, the Registry Ladder,
Clans, Mercs, and IS houses.
MechWarrior 2: Resource Forum
A site dedicated to MechWarrior 2, get all your information here!
Sarna: Battletech Wiki
Everything you ever wanted to know about BattleTech, and Mechwarrior games.