Well it seems that Mac users might not be getting WAR love off the bat (or ever). This post is taken from the Warhammer Alliance boards and details Mark Jacobs & the WAR teams thoughts on the platform situation:

WAR on the Mac is not a likely scenario for the following reasons:

1) WAR's client is being built on a PC-based rendering engine that has not been ported to run under a Mac's native OS. The cost of porting that engine would be quite high, difficult and potentially a nightmare for us going forward. If we don't have a native version of the game, we would have to rely on Cider...

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