Took the same stack as attempt 5, but manually sorted through the 1700 frames to pick the best ones out.
The following was composed from a stack of about 160 images. By picking the best ones out it's much improved the contrast in the Cassini Division.
Details:
150mm TAL 2M reflector with TAL 3x barlow and Toucam Pro II, stacksize 1700 @ 15fps best 160 images stacked. Taken at 2031 UTC on the 5th of April 2006. Seeing conditions 5/10.