Mashable: OS X users who have upgraded to Lion and mobile developers running iOS 5 can now access the beta version of Apple’s iCloud. Similar to MobileMe, the cloud-based syncing service provides access to Web-based version of Mail, Contacts, Calendar, Find my iPhone and iWork.
Apple has also revealed the pricing for iCloud. Up to 5GB storage is free, 10GB costs $20, 20GB costs $40, and 50GB costs $100.