Before you even think about hardware, you need to look at the software you use and how much of it is cross platform. If a Windows version does not exist, you need to start transitioning to software and services that are available on Windows. Moving forward, try to use software that is cross platform so you don't tie yourself into a single platform again.
For example:
You might ditch Apple Notes and move to simplenote because it runs on everything including Linux.
No OmniFocus so switch to Todoist who provide apps for Mac/Windows/Android/iOS. And a web client for Linux.
If you're considering Linux for some stuff, then moving from Apple Music to Spotify and iCloud/Google Drive/Onedrive to Dropbox makes sense because only Spotify and Dropbox runs on all of macOS/Windows/Linux.
Stop using Pages and Numbers and transition your docs to MS Office if you want macOS, Windows, iOS and Android apps, or even libreoffice if you want Linux as an option on top of the others.
If you start doing much of this now before you buy a new computer, you'll get a good taste for how viable switching is. If you really loathe the cross platform alternatives to what you currently use, once you try living in these new apps, maybe you'll determine that staying macOS is the best thing for you.
Have you ever used Microsoft OneNote? It's the best note taking software there is, even for Mac.
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Was it updated though? Microsoft released a recent update that greatly improved the trackpad. It also copied the three finger to switch desktops swipe.
Anyway, I had the XPS 13 and loved it, but ended up returning it for a surface book.
I'm selling my iPad Pro and 15" retina.
I think the build quality is excellent on both, and windows 10 is finally stable and actually nice to use.
Also - there are videos of people standing on the surface book and it being fine. If I did that to my 15" MacBook Pro - I don't have much faith it would survive.
When I played with the Surface book, I wanted to ask if it was made of cast iron because it felt heavy and sturdy.