Comes with Windows, and that is where it works best.
Ranked in these QuestionsQuestion Ranking
Pro Free with Windows
Pro Compact while light
Packs lots of information into your screen space while remaining clear and never looking crowded.
Pro Renders perfectly at all sizes
Again, particularly in Windows
Pro Looks absolutely gorgeous in Windows
Looks good elsewhere as well, but the world-class hinting here really comes out with the windows rasterizer (probably optimized for it).
Con Not monospaced
-if that is an absolute must for you. But don't assume it is until you've tried without...