When comparing Vera Sans Mono vs Verdana, the Slant community recommends Verdana for most people. In the question“What are the best programming fonts?” Verdana is ranked 83rd while Vera Sans Mono is ranked 98th.
Ranked in these QuestionsQuestion Ranking
Pro Clearly distinguishes clashing characters
Characters such as "1" and "l", as well as "0" and "O" are differentiated enough as to not be confusing.
Vera Sans Mono is licensed under GNU making it freely available.
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...