See also:
Best VGM 95 - http://www.youtube.com/watch?v=afsUV7q6Hqc
Best VGM 822 - http://www.youtube.com/watch?v=Y_RoEPwYLug

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.

Nintendo DS
Mega Man ZX (2006)
Ultramarine Meditation (Area J ~ Marine City)
Ippo Yamada, Ryo Kawakami & Masaki Suzuki