Many of us may have liked the prospect of Western Digital's My Book Thunderbolt Duo, but there's no doubt some of us who discovered that even 6TB just wouldn't cut it. If that digital pack rat mentality describes you, the solution is here: the company has taken advantage of larger 4TB hard disks to stuff a total 8TB of storage into the Duo's enclosure. The extra capacity hikes the price to $850, although the company notes that it's including the often expensive Thunderbolt cable to avoid any surprise trips to the store. Those without the ports or budget for th