I am impressed with Ubuntu on Windows. Some bugs, but overall I can see this working for me. Since I use Ubuntu in production, the Linux environment is closer to production than a Mac shell.
I have felt lately, though, that the Mac vs Windows vs Linux debate is getting less relevant with most things being in a web browser. The diminishing requirement for Windows around 5 years ago caused me to switch to Mac. And now back to Windows.
I can see myself buying a Mac again, though. Maybe even a Chromebook.