At least 90% fresh at Rotten Tomatoes, listed by number of reviews:
The Departed
Casino Royale
Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan
Children of Men
Pan's Labyrinth
Little Miss Sunshine
United 93
Letters from Iwo Jima
The Queen
Volver
An Inconvenient Truth
Half Nelson
The Lives of Others
Dave Chappelle's Block Party
Wordplay
Ne le Dis à Personne (Tell No One)
Neil Young: Heart of Gold
Offside
The Death of Mr. Lazarescu (Moartea domnului Lazarescu)
Duck Season (Temporada de patos)
Deliver Us From Evil
Lassie
Iraq in Fragments
The War Tapes
49 Up
Fateless
Deep Water
Jonestown: The Life and Death of Peoples Temple
Mountain Patrol: Kekexili
Blindsight
Still Life (Sanxia Haoren)
Stephanie Daley
Brand Upon the Brain!
Blame It on Fidel (La Faute a Fidel)