"Works quite well" is a phrase I've never used with Xamarin. I stopped using it about a year ago for two reasons: (1) _every_single_release_ would break my apps and would then require spending inordinate amounts of time trying to get things building again, and (2) I could no longer justify paying for the professional edition just to be able to use Visual Studio on my hobby projects.
I am very much hoping that both of these issues are addressed with this acquisition, and like many, I have been holding out for a while now hoping this would happen.
EDIT: pjmlp, can't reply to your comment directly: You are talking about the Indie edition, with which you cannot use Visual Studio. Using Visual Studio requires the professional edition, at $999/platform/year. Even with the discount they gave me, the thousands of dollars I spent just to do hobby projects was a mistake.