Hop on over to the keynav project page and download the new version.

The changelist from the previous announced release is as follows:

20070814:
  - Arguments for {move,cut}_{up,left,down,right} in form of percentage values.
    Default for cut is 0.5 (cut the window in half)
    Default for move is 1.0 (move the full width/height of the window)
  - sync to xdotool-20070812