I've always liked the Biggs scenes simply because I think they help stregthen Luke'Ts character which to me is what it's all about. The problem though with cutting it in, is that in the Treadwell scene has to occur before the blockade runner docks with the star destroyer since when he sees them, they are still firing on each other but there isn't a whole lot of time between the opening shot and the docking where it could be cut in and I certainly wouldn't want the scene to go before the opening shot. Any ideas for where it could be cut in?
The Echo base Wampa scenes might be cool but I doubt they would be complete enough to put them back in.
For Jedi I would want the Sandstorm scene and shorten their goodbyes from the cockpit to remove redundancy. I always though the part where Han discribes what it's like to be frozen would have been really cool. And I'd really like to see the Crix Madine and Falcon gunner scenes mixed back into the battle.