Comes with Windows. Need some magic to make it work with Mac (need to have Office installed, otherwise must use @font-face) - see this StackOverflow for more.
Ranked in these QuestionsQuestion Ranking
Pro Great readability
Segoe UI Mono is a very readable font.
Con The zero is not slashed
The zero is not slashed, which causes some problems when scanning source code. This is not an issue when the IDE supports coloring (like all major modern IDE's), but still there are instances where this is not the case. A primary example are T4 templates, where Microsoft has not yet provided coloring support.