Let's add to this.
Official Websites
Official Confrontation Website Only in French so far, but Rackham has said that it will be updated/that they'll get an English website, but at least you can watch the pictures untill then.
Official Rackham Site the manufacuters website, doesn't contain much except for financial reports, also 100% French so far.
Cardscans
Voidgamers English cardscans
Rackscan French cardscans but there are some English ones too
Resources
Bleys unofficial confrontation resources
Conf-Federations
UKCORD United Kingdoms Confederation of the Red Dragaon
NACORD North American Confederation of the Red Dragon
Other
Cadfashion magazine set in the Rackham world, only one English issue so far.
Encyclopedia of Aarklash site with quite a lot of fluff an information about the world of Aarklash.
Update 30th January 2006, Added Aarklash Encylopdia