Found the solutions. Posting it here for others to be able to read.
Downgrading to nVidia driver 4363 solves the garbled framebuffer problem, at least on some configurations (Havent fully tested it yet
Anyway, you can find links to patch the old driver and use it on the 2.6 kernels at www.minion.de
. Hope this helps anyone with this problem.
'Sorry for the Inconvinience.' - The creater's last sentence to his creation.