I usually favor B) First, as you point out, less competition. Second, these languages are usually a little younger, and there is a chance to be part of a nice

I usually favor B) First, as you point out, less competition. Second, these languages are usually a little younger, and there is a chance to be part of a nice community from the beginning Third, learning an "exotic" language is sometimes a great asset on a resume even if you interview for a position involving a different technology. It shows intellectual curiosity.