2007 was an underrated year for film.
I never realized it, but there were some great films released that year:
No Country for Old Men
Ratatouille
There Will Be Blood
The Diving Bell and the Butterfly
The Mist
The Bourne Ultimatum
Zodiac
Superbad
Hot Fuzz
American Gangster
Gone Baby Gone
4 Months, 3 Weeks and 2 Days
Michael Clayton