Top 10 Films of the Decade

1. There Will be Blood - Paul Thomas Anderson
2. No Country for Old Men - The Coen Brothers
3. Children of Men - Alfonso Cuaron
4. City of God - Fernando Mierelles
5. Matrix Reloaded - The Wachowski Brothers
6. Eternal Sunshine of the Spotless Mind - Michel Gondry
7. Memento - Christopher Nolan
8. Requiem for a Dream - Darren Aronofsky
9. The Fountain - Darren Aronofsky
10. Old Boy - Chan-wook Park

Approximately in that order

honorable mention: The Dark Knight, WALL-E, Snatch, LOTR trilogy, Inglourious Basterds, 40 Y.O. Virgin, The Departed, Once, Royal Tenenbaums, Adaptation, Watchmen and probably some I'm forgetting