I concur that Indie Game: The movie was definitely super inspiring.
I get inspired by a lot of old games that I grew up with - Tron, Legend of Zelda I, (Colossal Cave) Adventure, Ms.Pacman, Shadowgate, River raid, Mike Tyson's punch out, etc
But lately I've been finding a lot of inspiration throughout the indie community. Ludum Dare games are incredible (more than 1500 games suddenly pop up over a weekend - whaaa?).
More recent games that got my wheels of inspiration turning are Insanely Twisted Shadow Planet, Knitt Underground, Little Inferno, McPixel, Super Hexagon, Swords & Sorcery, Guacamelee!, Brutal Legend, Capsized.
There's a lot of great stuff - plenty of inspiration, but only so much time!!