Markdav said:
I guess the 06 DVD of Star Wars is closer to it's original form than I thought...
The sound mix on the 2006 DVD is the 1993 remix from the Definitive Collection laserdisc release. It is based on the 70mm 6-track mix, although there are several additions.
See http://originaltrilogy.com/forum/topic.cfm/70mm-mix-to-93-mix-comparison/topic/6501/