Well apparently Gordon Mah Ung (co-founder of b00t and Maximum PC magazines, now working with PCWorld) discovered Microsoft "lied" about the performance of the Surface Book in terms of the GPU by claiming "it's twice as fast as a MacBook Pro."
He discovered it's up to 3x as fast.
http://www.pcworld.com/article/2995...nt-twice-as-fast-its-three-times-as-fast.html
haha I was just about to place my pre-order and then you do this ... mislead me into ... sigh ... now im definitely pre-ording a I5 128GB w/ GPU