NixOS/nixpkgs — pull request #406 by MarcWeber (2013-03-24 22:13:06+00:00)
Title: wacom driver updates required for intuos 5 wacom tablet.

Note I had to disable some recognized "pens" by using xinput disable.
So maybe 2 drivers are active?
However tilt/preasure works nicely inside gimp, inkscape, mypaint