The Annual Criterion Sale on Vudu/Fandago at Home started today

They have a righteous $5 section. Typically they rotate the $5 sections every few days/once a week.

Main sale page

$5 movies page

$10 page

I will say this week's $5 section is relatively weak, but the $10 section is out of this world.

Seven Samurai
Night of the Living Dead
Mulholland Drive
Lost Highway
Blood Simple
Cronos
The Seventh Seal
In the Mood for Love
Chunking Express
Paris Texas
La Haine
Le Samourai
Wings of Desire
Yojimbo
The Wages of Fear
Red, Blue, and White
Ugetsu
The Elephant Man
Walkabout
Yiyi
Picnic at Hanging Rock

And more