Microsoft:
Zune.net
Ilikemyzune
Sites:
Zune Scene
Zunedoggle
Zune faq
Zunerame
Zuneusergroup
Zuneinfo
Zunethoughts
Hacks:
Zunemods.net
Forums:
Zuneboards
Zunescene
Zunemax
Zuneforums
Blogs:
zunemediaplayer
Zuneinsider
Zunesphere
Zunenation
Zunester
Zuneguy
More links:
Zune-sites