As with all my UIs this is merely a source of inspiration.
Not planning on updating or maintaining, take it as is.
Video of it in action:
https://www.youtube.com/watch?v=eQ08WBu5Y0U&feature=youtu.be
Main addons used:
Stuf UnitFrames
WeakAuras
Raven
WeakAura strings:
http://pastebin.com/MyxL7q1w
I recommend you download CleanIcons - Thin as it was too large to fit in here.
http://www.wowinterface.com/downloads/info19844-CleanIcons-Thin.html