All right. the answers are in. Looks like an improvement in reducing 2 of the 3 vortices. The flow looks to be more even through the runners. The flow diverters seem to better even up the distribution of air. The bumps in the top seemed helped runners 2-6 with the vortices, but the first bump seem to be helping create the vortex in runner 1. So anybody want to post some sketches on there ideas to help get this thing perfect? Here are the results:
Some new videos:
http://album.hybridz.org/data/500/velocity_test9a_rev4.avi
http://album.hybridz.org/data/500/velocity_test9b_rev4.avi
http://album.hybridz.org/data/500/velocity_test9c_rev4.avi
Thanks again for everybody's help.
Jeff