The Good, The Bad and The Ugly
High Plains Drifter
Magnificent Seven
Tombstone
Hour Of The Gun
Winchester'73
The Quick And The Dead
Lonesome Dove
Fistful Of Dollars
For A Few Dollars More
Pale Rider
Curse Of The Undead (low budget vampire western, I love it)
Silverado
Open Range
3:10 To Yuma (both versions)
Blazing Saddles
The Man From Laramie
The Long Riders
Quigley Down Under
Westworld
Maverick
(just to name a few)