The Shining - huge re-watch value
The Grudge (one, not the sequels) - only watched it once. defo crappped my pants. will never see again.
Halloween I - classic, great music, good rewatch value
Jaws - multiple re-watch value. never miss a chance to see it again.
Jurassic Park I - re-watch for atmosphere and effects. very lame storyline.
Christine - guilty pleasure. great re-watch value.
Steven King's Thinner - book was better but movie was okay.
The Sixth Sense - no rewatch value but I'll always remember the wtf feeling after the first
There's more but I can't remember right now. Will add later.