Double Tap and The Mission are two of my favorites...

for Horror...I liked The Mirror

I also loved Floating Landscape...it was shown at the Venice Film festival last year

of new movies Jade Godess is worth a look.

Here are a few off the top of my head.

The Eye
Expect The Unexpected
Big Bullet
Infernal Affairs
Lifeline
In The Mood For Love
Men Suddenly in Black
The Victim (Ringo Lam)

ACTION:
A Hero Never Dies
Expect the Unexpected
The Blood Rules
The Longest Nite
The Mission
2002
Double Tap
Tokyo Raiders
Naked Weapon

COMEDY:
You Shoot, I Shoot
Comeuppance

HORROR:
Inner Senses
Bio-Zombie
The Eye
New Blood

ROMANCE:
City of Glass
Fly Me To Polaris

DRAMA:
Rules of the Game
The Longest Summer
From The Queen to the Chief Executive
Color of the Truth
Metade Fumaca
Bullets Over Summer

Don't want to repeat anything anyone said earlier. Just off the top of my head.

Running Out Of Time
Hero
Shaolin Soccer
Purple Storm