WideWing, I concure with your list but I would add a few more
Anything with Clint Eastwood no matter how bad
Fistful of Dollars
Hangem high
Good, the Bad, and the Ugly
Two Mules for Sister Sara
etc
The Magnificent Seven (Best line? "We want the man that gave him those scars")
The Man Who Loved Cat Dancing
Bandalero (sp?) Dean Martin, Jimmy Stewart, Raquel Welch, George Kennedy
Sons of Katie Elder
The Cowboys
The Shootist
(damn probably just about anything with John Wayne in it)
Rio Bravo
The War Wagon
The Undefeated
The Quick and the Dead
My Name is Nobody (good Henry Fonda western)
The Wild Bunch
Butch Cassidy and the Sundance Kid
there are so many