The difference in performance between a laptop and an equally priced desktop is not somewhere around 20% or 30%, but rather around 8-10 times. It's even more drastic with what are they called... ultrabooks, convertibles (that is, tablets with an attachable keyboard)?
Please show me how to build this as a desktop for < $200.
What about that? I see "starting at $1750", not "<$200". Mind you, "starting". Not worth reading any further.
For $1750 you get a beast of a desktop. One that, regardless of colorful advertizing and buzzwords, performs a task in 1 second that takes 10 seconds (wall clock time) on an equally priced laptop.
Oh please. You know your claim is ridiculous. The base specs include: