If you are more to sound quality, you won't be disappointed with its SRS2.0 sound effect. It has a user defined EQ, adjustable bass boost, hi-fi treble & bass compensation system with supports for SRS, WOW, Trubass, 3D Surround sound effects, and various EQ modes. The supported music formats file are MP3, WMA, WAV and OGG while the supported photo formats are BMP, JPG and GIF. You won't need to worry about messy play list, it has a dynamic play list support that will synchronized song lyric showing with TXT view. I am very amaze with the long playback time of 20 hours. It weight approximately 55 grams with the compact size of 79 x 48.2 x 10mm. It is now available for pre-order with the price of USD139 for 1GB, USD159 for 2GB and USD219 for 4GB. If you are given the choice, which one will you go for? An iPod or M6?