Bumping this back from the dead, as there’s finally a Blu Ray!
http://www4.screenarchives.com/title_detail.cfm/ID/34542/INCREDIBLE-SHRINKING-WOMAN-THE-COLLECTORS-EDITION-1981/
Woooooooooow. Never saw this happening. Thanks for the update. I’m guessing there’s not much chance they will include the extra scenes, but I’ll be happy to finally have this in HD. Thanks for the info, SilverWook.