Some disappointing news for anyone awaiting the possibility of a Sapphire 5850 vapor-x, see email from Sapphire's tech dept below:
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From: tech@althonmicro.com
Subject: RE: release date for ATI 5850 vapor-x?
Date: Thu, 17 Dec 2009 10:40:56 -0800
No there are no VaporX HD5850 in the works in our product line.
Tech
Sapphire Technology
Tech Support Center
280 Paseo Tesoro
Walnut CA 91789
Fax. 1-909-594-9771
www.sapphiretech.com