The Momentum disc has no extras whatsoever, all the Anchor Bay disc has is the movie trailer and a better cover than the R2.I've always had a soft spot for
Superstition since I saw the VTC video years back, it's quite atmospheric and features a few imaginative kills(especially the girl who's head is staked to the floor).It seems to have built up quite a cult following over the years, I'll have to give it a re-watch sometime.