When will iCloud be available / what is the iCloud release date?
iCloud will be available to all users when iOS 5 is released. The release date for iOS 5 has only been stated as fall / autumn 2011.
If you live in the US or Canada, iTunes 10.3, complete with some beta iCloud features, is already available. This will give many users the chance to beta test and enjoy some of the features of iCloud such as wireless (true wireless, not WiFi-only) music syncing across devices,