in no particular order

the evil dead (first one for creepy scaryness, the other 2 are just fun movies to watch with a case of beer)
psycho 1 & 2
the first couple nightmare on elm street movies
friday the 13th (i like 'em all, but only the first 3 or so are any good)
joy ride (candycane...... [img]graemlins/wacked.gif[/img] creeps me out everytime)
final destination
event horizon
texas chainsaw massacre 1 & 2 (haven't seen any of the other ones yet)
the exorcist
the omen
halloween 1 & 2
my bloody valentine (that's cool that someone else on here actually remembers that movie)
blair witch project

that's all i can think of off the top of my head