What's the best personal cloud storage solution?

Episode 1142
Richard fromRichard is looking to get a personal cloud device. He's wondering if he can store virtually anything in his computer in it. Leo says he could, but he wouldn't. There are a lot of options including one from Western Digital, PogoPlug, and File Transporter. The idea of having a personal cloud solution like this is that Richard would own the drive that all the data is stored on.