hehe ok i figured it out after a bit of googling, ill post instructions here for the good of man kind:
> run 'gconf-editor` from a prompt.
> a. In the GUI, I navigated to /apps/metacity/keybinding_commands,
> under which are a number of keys labeled command_N. I edited some of
> these key values to run the scripts i created in step 2, simply by
> setting the value for (say) command_1 to (say)
> b. Under /apps/metacity/global_keybindings there are a number of
> keys called "run_command_N". As you might imagine, these run the
> command_N key values from /apps/metacity/keybinding_commands (that I
> modified in 3a). I set the shortcuts I wanted by setting the value for
> (say) run_command_1 to (say) "<mod4>Space", which binds it to Win+Space.
from here: http://www.linuxsa.org.au/mailing-list/2003-11/144.html