I saw the original version of The Wicker Man when I was young and thought it was silly, but it grew upon me over the years, particularly Christopher Lee as the Lord of Summerisle. The remake, starring Nicholas Cage, was absolutely dire. Words cannot describe how bad it was.
My favourite version of Little Women had Winona Ryder as Jo and Claire Danes as Beth. We took our younger DD to see it, when she was in her early teens, and all snivelled a bit at Beth's death (including my DH, although he denies it.) I always felt that it was disappointing that Jo doesn't marry Laurie (played here by Christian Bale) but could understand it in this adaptation. The Professor was Gabriel Byrne and I would have snapped him up too!