NVidia released version 260.19.06 of their driver on Sep 15th which (amongst other things) fixes an incompatibility w/ xorg server 1.9 that caused slow font rendering. Reproducible: Always
These are already in the tree.
Version 260.19.12 has been released: http://www.nvidia.com/object/linux-display-amd64-260.19.12-driver.html Can we change the request for the newer stable version?