I had the drive, it was actually the blue mybook, I put video on it, the drive went bad, specifically the drive would go to sleep or turn itself off without warning. So I transferred the content and took the drive back. Well, I was then stuck with the smart drive software on my computer, but I couldn't uninstall the software on my pc without the software on the drive. Well it was back at the store. So I contacted western digital for help, but they would not let me download the software without the serial number on the drive. Western Digital refused to allow me access to the software on thier site without a serial. I was eventually able to find a solution, no thanks to Western Digital. Why in the world would anyone care about having thier stupid backup software. Sigh.
I have a friend who does tech support for public schools, he told me that the school bought a bunch of mybooks and they had a lot of them die.
So that's the perspective I was speaking from. If you look at the price compared to what else is out there, I suspect that the Mybooks are cheaper, well, because they're cheaper.