See also:
Best VGM 440 - http://www.youtube.com/watch?v=IQDiMzoTMH4
Best VGM 608 - http://www.youtube.com/watch?v=67nrJieFVI0

A collection of my favorite videogame music. Note that most of them are from games I played so I might miss some great ones from games I never played.

PC
World of Warcraft: Wrath of the Lich King
Totems of the Grizzlemaw (Grizzly Hills)