I did the transition from Windows to Mac last year after many years of having both and hating OSX while loving Windows. Now I love it.
The event that changed everything was getting a 34" Ultrawide monitor and the Mac experience was just so much more solid and respective of the screen space. I can't quite put my finger on it but I felt more in control.
I have a Surface Book on my desk, but my Macbook Air is what I use daily. For me, Mac wins with:
- Predicable window management - everything stays where you put it
- Tidier fonts and app bevels so it doesn't waste screen space
- Access to apps like Sketch
- No UI delays when using Adobe Premiere, despite the less capable hardware - definitely an issue on Windows
- Much better command line support (not used the Windows Linux subsystem)
- Apps are easier to handle and less bloatware
- Notes app that is actually helpful
- Fast with an SSD - absolutely rubbish without (my mac mini is unusable)
- I have gotten used to clicking the window first, before it doing something in that app - so fewer accidental actions
But, I do still love Windows, it wins on the following:
- Better graphical support (ok, hardware specific)
- Windows Explorer is much better than Finder for me
- Window snapping is easier (but might be also frustrating, can't put my finger on it)
- I can open multiple calculator instances
- Wider app support, but less of an issue these days for what I use
Windows does have a lot more bugs, such as incorrectly scaled cursors in Premiere, or apps that a impossibly small or stupidly large when using a non-retina second monitor.