I recently bought a SB, to replace my Ativ Book 9 or whatever it's called.
I love the keyboard (not a heavy Fn user as someone upthread) and screen.
It's a good bit heavier, and that's taking some getting used to..
I don't mind "the gap" at all.
However, some minor irritations:
a) the screen can only be angled back to about 90 degrees in laptop mode...I've only just realised that I've become used to about 100 degrees
b) the power brick: did MS really need to make it such a monster? What's the point of having a (relatively) light but powerful laptop when I have to lug that thing around?
c) having to buy new peripherals for connecting to screens, at the usual ripoff prices. The lack of a mini-HDMI is particularly irritating.
Overall, very much in the positive camp for now, but only had it a week or so...
tb