Okay, for those interested in this project, here's a clip from when Luke gets attacked by the Wampa on Hoth. The brightness has been boosted by exactly the same amount as the sandpeople clip I posted before and the blue tint has been removed relative to the blu-ray release:

Here are a comparison, the top from the blu-ray, the bottom from the regraded encode:

http://img812.imageshack.us/img812/1070/wampacomparison.jpg

And here are the two screencaps seperately:

blu-ray: http://img827.imageshack.us/img827/1696/wampabluray.jpg

regrade: http://img827.imageshack.us/img827/605/wamparegrade.jpg

Sorry about the low picture quality of the encode, my upload speed is currently very slow (soon to change) so I try to keep files as small as possible. The quality of the clip is in no way representative of the quality that the final encode will be. Let me know what you think about the extra brightness and any other changes you see.