It's not just me. You can go through a lot of the threads on devforums.apple.com, in the iCloud section, and you'll hear the same thing. The solution to almost

It's not just me. You can go through a lot of the threads on devforums.apple.com, in the iCloud section, and you'll hear the same thing. The solution to almost all problems is using the Delete All hammer. It's just an unpleasant solution, but definitely fixes the problem and lets you start fresh.