If you are using iCloud, your best investment of $15 is Joe Kissell’s new Take Control of iCloud.
Wondering what to sync where and how? Trying to make the transition from MobileMe?
Joe provides thoughtful, step-by-step instructions and helps you understand the long-range implications of configuring your iCloud settings. Joe explains pros and cons of activating Photo Stream — something I confess I’d been nervous about trying.