Like at least one other person here, I've begun to resign myself to the idea that the Surface Book will always be a buggy machine -- the buggiest machine I've owned since the Windows 98 PC-era. My biggest gripes currently are:
1) Windows Hello camera failure -- this is a repeatable "bug" that shows up every time I have plugged the SB in to charge while it is in hibernation. The camera will simply fail to turn on. Rebooting will fix or cold booting with "fast startup" disabled. Once it starts happening, it won't work again until the machine is rebooted.
2) For some reason, on wake from sleep, it will sometimes BSOD with an internal power error. This happens immediately when I see the "turning camera on" on the lockscreen. It was doing this consistently after the 2/17 firmware update, but after fixing some corruption with SFC and DISM, it went away. It returned after the most recent Win10 update, but I again seem to have squashed it by running DISM.
3) Crashes during sleep. These are inconsistent, but the SB will just shut down while it is sleeping (again, not hibernation). It isn't consistent -- I will sometimes go days without seeing this happen and then one day, it might happen each and every time I put the SB to sleep. I've also seen my SB 'hot bag' even since the firmware update that was supposed to fix that problem. Twice. The kicker? It did it after waking itself from hibernation without me touching it. I am not joking, my windows logs actually show it wake from hibernation in the middle of the night and then proceed to run hot until the morning when I found it warm to the touch and the charging brick hot.
4) Other issues on wake from hibernation. The detach sequence will be delayed and broken after waking from hibernation. I can press the button, wait close to 30 seconds for the clips to detach, and then the software doesn't even recognize that its been detached (which also means that auto-rotation of the screen won't work among other things). Rebooting with "fast startup" disabled will fix this.
I wish I felt as good as some of you guys do about my SB, but some days I really hate the thing. If I had to make the choice over again, I wouldn't buy it and I'd have stuck with my Surface Pro 3. Surface Book appears to be a crapshoot as to whether or not you get a good one, OR your use case happens to match up with what it does well. If you don't need it to sleep (full shut down when you're not using it), you'll likely do fine. If you need it to sleep reliably and not fail in the middle of something important, I'd pass. Too many people have had to exchange their SBs 3+ times to get a "good" one, and then many more have posted stories about having their machines BSOD in the middle of a presentation or something equally important/embarrassing.
For me, SB is pretty much a failure for everything I wanted it to do. I've moved on and SB is a toy that I hope lasts long enough to see a firmware update that actually fixes the problems. Until then, it's one seriously expensive dust collector that I use to surf the web, read email and play some games. A total waste of nearly $2k. So disappointing.