But this time, rather than just stopping at a C&D, they've gone the whole hog and sued:
http://www.purplepawn.com/2010/05/games-workshop-sues-curse/
Its against a site involved with the online Warhammer game, of which I know zip, and care even less, but still as the first actual court case it shows
GW are prepared to put their money where their mouth is...
Owners of
GW-IP-Infringing websites beware!