Please note these are my ranking only of films I've seen. Any films you think should be on this list may be due to the fact I've yet to watch them. I welcome any recommendations of films which should be included.
1. The Deer Hunter
2. The Buddy Holly Story
3. Warriors Two
4. Heaven Can Wait
5. The Last Waltz
8. Coming Home
9. Invasion of the Body Snatchers
10. Snake in the Eagle's Shadow
Honorable Mention - California Suite, Death on the Nile, Drunken Master, Hooper, Midnight Express, More Than Friends, The Silent Partner, An Unmarried Woman, Up in Smoke
Noteworthy films I haven't seen yet - The Adventures of Picasso, Autumn Sonata, Blue Collar, La Cage aux Folles, Dawn of the Dead, Days of Heaven, Fedora, Five Deadly Venoms, French Fried Vacation, Gates of Heaven, Get Out Your Handkerchiefs, Go Tell the Spartans, House Calls, In a Year of 13 Moons, Interiors, Newsfront, Orchestra Rehearsal, Rockers, Shaolin Master Killer, The Shout, Stevie, Straight Time, The Tree with the Wooden Clogs, Watership Down, Who is Killing the Great Chefs of Europe?, Who'll Stop the Rain?
Films I think are overrated: Animal House, Halloween