suggested retail price of $1,199. It 'may' be available beginning "this month" from Apple and other authorized retailers....
...but dont hold your breath...
http://www.macrumors.com/2010/11/16/...u-for-mac-pro/
and in the same week:
(ATI Radeon HD 5870 Graphics Upgrade Kit for Mac Pro (Dispatched: 2 business days)) - now available separately as opposed to BTO - not that it works yet...
S