"Buggy, unreliable and slow"0.5 starson by lieving
Pros: The Pogoplug sometimes works. The customer service is responsive to queries (although poor at solving problems). When Pogoplug works, it's great.
Cons: The website is buggy and has frequent problems. The iPhone app is buggy and frequently crashes. The Pogoplug UI is complex and confusing. You need a special drive to hook into the Pogoplug...but it's up to you to discover which one to use.
Summary: Bottom line - steer clear of the Pogoplug. The people behind it are more interested in adding features without debugging core functionality, like a bug-free website and the ability to get at your files, share files or upload files without a hassle.
Save your money and time and get a Dropbox / SugarSync / JungleDisk account. Yes, it'll be more expensive. But the fact that these products 'just work' and Pogoplug doesn't work reliably will make it worth your while.