Boy, I love these rating games!
Some tough choices in here, but here it goes:

20's: easy one here- NOSFERATU
30's: ummmm, how 'bout- KING KONG
40's: i dunno........maybe- I WALKED WITH A ZOMBIE
50's: nuther tough one- INVASION OF THE BODY SNATCHERS
60's: lots of choices, but- PSYCHO
70's: really, really tough- JAWS
80's: not so tough- Carpenter's THE THING
90's Hmmmmmmm, jeeeesh, ok i know- AUDITION
00's man, hard to say, but i really like- MAY