Personal Cloud Options! B&W T7, KEF Muo, Libratone Zipp & Riva Turbo X. Longest Lasting Hard Drives?

Pydio, Seafile, OwnCloud, Sparkleshare, Tonido… what is a Personal Cloud, anyhow? Big Storage Fails: Which Hard Drives Last Longest, The Two Dollar Pocket Tripod, and some sick Bluetooth Speakers from B&W, KEF, Libratone, and Riva