andrewducker has compiled a list of top films 2000-2009 via an 'IMDB search for movies scoring over 7 on the IMDB with more than 10,000 votes during 2000-2009 and then listing the ones that I thoroughly enjoyed.'Here is my short list which I have compiled by looking down andy's list to see which ones still give me a tingly feeling, plus adding any others I can think of off the top of my head.
No Country for Old Men
Crouching Tiger, Hidden Dragon
Downfall
Equilibrium
Harry Potter (Azkaban)
Spirited Away
Serenity
In Bruges
Kung Fu Hustle
Memento
Sexy Beast
Shaun of the Dead
Eternal Sunshine of the Spotless Mind
The Bourne Identity
The Lord Of The Rings (Fellowship)
The Prestige
Unbreakable
Watchmen
Y Tu Mama Tambien
Casino Royale
Gladiator
28 days later
Pan's Labyrinth
Persepolis
Wall-E
The Incredibles
I heart huckabees
A scanner darkly
Brokeback mountain
Donnie Darko
The Others