slacky.eu

mesa brings plenty new functions in its new version 7.6, and is meanwhile good enough for be tested (and with its older functions can be used normally). Here is a .tgz package for whom want to try it out
ftp://ftp5.gwdg.de/pub/linux/install/sys/ or ftp://ftp5.gwdg.de/pub/incoming
It needs the newest version of libdrm and glproto which are there too.