I've been using this since last night, really enjoying it. Well done.
This. is. pretty. great.
I made an alternative icon replacement for this theme. See it here: http://dribbble.com/shots/1027361-Sublime-Text-icon-replacement-for-Flatland-Theme
This mostly works on Sublime Text 3 too. Few glitches, but liveable for flat loveliness.
Looks cool! I'll give it a try!
Very nicely executed - really hope you continue to develop and update this :)
Really great work.