Yeah they say they can "build-it" but they cut corners with less powerful specs, like the CHIP, and then a feature like THUNDERBOLT 2.0.
This machine which people just don't seem to understand is a "Technological Marvell", putting Xeon, USB 3, and Thunderbolt together, with the Video Cards coursing thru the Thunderbolt. This was hard to do, and NOT YET AVAILABLE in a PC Box.
Good Article! (especially to point that out)