Also on Hong Kong front, a man cannot possibly go wrong with anything that involves the names Chow Yun-Fat and John Woo on the same DVD case.
ToneMonkey is also correct. Three copper-bottomed classics right there.
As for a few more...
Breaker Morant
He Died With a Felafel in his Hand
Me, You and Marley
Boondock Saints/Overnight (good seperately, dynamite together)
Haute Tension.