You may also want to keep an eye on this:
http://originaltrilogy.com/forum/topic.cfm/STAR-WARS-TRILOGY-Partly-Despecialized-Edition-HD-SW-and-TESB-done-New-clips-from-ROTJ-PDE/topic/11587/
You may also want to keep an eye on this:
http://originaltrilogy.com/forum/topic.cfm/STAR-WARS-TRILOGY-Partly-Despecialized-Edition-HD-SW-and-TESB-done-New-clips-from-ROTJ-PDE/topic/11587/