The Godfather I and II
Goodfellas
Rounders
Dog Day Afternoon
The Karate Kid
Swingers
Gran Torino (recent addition)
Old School
The Hangover (another recent addition)

I'm also a huge Bond fan and I like horror flicks, although I think the recent focus on over the top gore is killing the genre and probably bad for society. Hostel II was probably the worst movie ever made.

Closely watched films beginning with the letter " A "
 

After Dark My Sweet...After Hours...Aguirre The Wrath Of God...The Alarmist...Alive...Amazon Women On The Moon...Amelie...American Graffiti...American Pie...American Splendor...American Werewolf In London...Anchorman...Andersonville...And Justice For All...Animal House...Another Day In Paradise...Arachnophobia...Arlington Road...Around The Bend...The Asphyx...Assault On Precinct 13...At Close Range...Atlantic City...Apprenticeship Of Duddy Kravitz...Apollo 13...The Astronaut Farmer...American Strays...Ace In The Hole...American Heart...The Assignment...Above Suspicion...All The Little Animals...

^ I thought that was spam for a second....lol

You guys aren't following the initial guidelines, so I'll throw a few more out there.

The Castle
Shawshank Redemption
Spy Game
Four Brothers
American History X
Iron Eagle
Lord of War

^ I completely forgot about American History X. That was a great film.

I'm watching Jarhead right now. I really like this movie a lot.

"B" Movie favorites
 

Bad Santa....Bananas,,,,Best in Show....Better Off Dead....The Big Gundown....Bring Me the Head of Alfredo Garcia....Black Robe....Blood Simple....Breakdown....Broadway Danny Rose....Buddy Holly Story....

Backdraft, Black Hawk Down, Behind Enemy Lines, Bravehart, Band of Brothers

Favorite "C" movies
 

The Cooler.....Cutter's Way....The Changeling....Contact....The Crossing....Chaos Theory....Caddyshack....The Caine Mutiny....Christmas Vacation....

one night in paris

Iron Man
Memento
Lock stock and two smoking barrels
Snatch
Rockn' Rolla

Damn good "D" movies.........
 

Das Boot...Dead Alive...Dead Zone...Defending Your Life...Deliverance...The Descent...Devil's Rejects...The Dish...Dumb and Dumber...Dumber Than Dirt...Drop Dead Georgeous...Door To Door...

Excellent "E" movies....
 

Eating Raoul...The Edge...The Endurance...Enter the Dragon...Everything is Illuminated...Encounters at the Top of the World...

Fabulous "F" movies....
 

Falling Down...Fargo...Fearless...A Fistful of Dollars...Fitzcarraldo...Flight of the Phoenix...For a Few Dollars More...Fortress...Fido...Freeway...Friday Night Lights...

Great "G" movies....
 

The Good the Bad and the Ugly...Gettysburg...Glengarry Glenross...Glory...The Godfather...Goodfellas...The Great Silence...Grizzly Man...