I have Windows 10 on my desktop machine, so I'll try it out. However, all that means (assuming it works perfectly, as you seem to suggest) is that Windows is usable to me. That's not enough of a reason for me to get a Surface Book.

I'm less than thrilled with Windows right now because just the other day the built-in Mail app started crashing within a few seconds of opening; it's now unable to connect to my Exchange account. After spending 10+ hours trying to diagnose and fix the problem, I've accepted that nothing short of a complete wipe of the machine will fix the problem.

My MBP periodically crashes any app that tries to invoke an open/save dialog. Its great when I try to download a file, accidentally make preview think I edited something, or try to save a document.

You can pick individual bugs to complain about all day. Every OS has plenty. Sorry to hear about your issues with the mail app though.

I think the surface book is microsofts NUC, a way to raise the bar and make the windows market competitive. they are fine with you buying a dell, lenovo, or hp as long as you use and develop on windows.

if you log into a new user profile, does mail work? if so you dont need a machine wipe.

> Windows 10 includes binary compatibility. bit-for-bit, checksum-for-checksum Ubuntu ELF binaries running directly in Windows

Windows 10 tries. It doesn't run the actual Linux kernel, and doesn't implement quite some portions of it. There is no boot process, so system services can't be run the same way they can on a real Linux install. The VFS is buggy and slow. The install hangs and borks sometimes, without a clear way out. And it still can't run Ubuntu 16.04. And the biggest disparity: no GUI support.