The 0 should always be slightly more oblong than the character O, even if you are using a slashing it. Other than that, this is a decent retina font, but so ar

The 0 should always be slightly more oblong than the character O, even if you are using a slashing it. Other than that, this is a decent retina font, but so are Anonymous Pro, Inconsolata-dz, Consolas, and Source Code Pro; and those all also come with options for Powerline.