Remakes That Were Good

[J. J. Hunsecker]

Blow Out (1981)
The Departed (2006)
Dracula (1958)
The Fly (1986)
Heaven Can Wait (1978)
His Girl Friday (1940)
Invasion of the Body Snatchers (1978)
King Kong (2005)
Little Shop of Horrors (1986)
The Lodger (1944)
The Magnificent Seven (1960)
The Maltese Falcon (1941)
The Man Who Knew Too Much (1956)
Mutiny on the Bounty (1935)
My Fair Lady (1964)
Scarlet Street (1945)
The Talented Mr. Ripley (1999)
The Thing (1982)
3:10 to Yuma (2007)
Twelve Monkeys (1995)

http://en.wikipedia.org/wiki/List_of_film_remakes_A-M

http://en.wikipedia.org/wiki/List_of_film_remakes_N-Z

EDIT -- I forgot to mention A Fistful of Dollars (1964)!