I'm not sure if this was linked to this thread before, but here is an aritcle that gives points to AMD: http://www.phoronix.com/scan.php?page=article&item=amd_evolution&num=1
As far as I understand AMD has given up good, "out-of-the-box" support for the latest teraFLOP gpu. -- gentoo-user@lists.gentoo.org mailing list
