A most interesting thread ....
How much of this thread is applicable to the following wiki:
http://en.opensuse.org/S2ram
Does this wiki need a big update as a result of the work in this thread?
Edit - there is even an openSUSE-10.1 Nvidia suspend how to, full of a zillion caveats about its applicability to other SuSE versions.
http://en.opensuse.org/NVidia_Suspend_HOWTO