Nokia has confirmed that they have begun the roll-out of Symbian Belle devices in various regions. The latest update to Symbian will be available on all new Symbian devices out of the box.Symbian Belle will be available to the Nokia C6-01, Nokia C7, Nokia E6, Nokia E7, Nokia X7, Nokia 500 and the Nokia N8. It should be only a matter of time now before the software update begins to roll-out to the various existing devices.
Nokia advisers users to check availability of the new Symbian Belle devices and the upcoming software updates at your local Nokia Store.
Symbian Belle brings a major overhaul to the current Symbian OS. It will be available as an update to Symbian^3 and Symbian Anna devices and offers features like improved notifications, clean minimalistic layout resizeable widgets and new homescreens.
source - NokiaPowerUser