I wonder if anybody here already uses the 40k Module for Vassal to play 40k games through the Internet?
All you need is the Vassal engine (a Java engine) wich you can dowload for free:
http://www.vassalengine.org/community/index.php
And the you just have to start the Warhammer 40k Module, you can download the newest version (3.5.5) there:
http://www.mediafire.com/?df4ygbgbxvx
A Dark Angels set
A Vassal Battlereport:
http://www.heresy-online.net/forums/showthread.php?t=6694