The stormtroopers/wampa footage is indeed on the BDs.
http://www.dailymotion.com/video/xsah77_star-wars-episode-v-deleted-scenes-wampa-attacks_shortfilms
(Around the 2:00 mark)
What I really want to see more than anything is the so-called "Lost Cut" we've all heard so much about. It drives me crazy that this hasn't seen the light of day with all that amazing alternate footage.