It's still there! After a weekend of cloud, it has finally lifted.
2 new images using GRAS 15 in Australia. 17-Mar-2008 16:48:50 - 16:56:50 UTC
1st: 120 sec Luminance bin 1

2nd: 180 sec V filter bin 2

It seems a little fainter, and it has moved, but nowhere outside it's expected area.
Calibrated and DDP in MaximDL. No further post processing