The Tactical Coders team have let us know about a new version of their XTAC tactical planning software. The official site has more info and screenshots, but here's a snippet:

XTAC 2.0 is the first universal software for tactical and strategy planning. Work offline or online with your teammates thanks to a powerful and evolutive tactical engine. XTAC makes creating, editing and sharing your strategies and tactics easier. Have a look at the features list and see how XTAC supports any existing FPS/RTS/MMORPG game: America's Army, Armed Assault, GRAW 2, Counter Strike, Counter Strike Source, Battlefield 2, Battlefield 2142, Crysis, FEAR, SWAT 4, Unreal Tournament, Half LifeČ, Call of Duty 4, Team Fortress 2, Enemy Territory, Warcraft III, Company of Heroes, WOW... you can even use XTAC tactical software for Paintball, Airsoft and collective sports training.

If you're serious about multiplayer gaming and are in the competitive scene, might be worth checking out - you can download it locally right here from AusGamers.