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I'm pretty sure either will do for video editing. I currently use the rMBP for it and I use CS6 and right now its crazy fast and this is without cuda support yet. Once they have official support for it (I'm pretty sure there is a way to add it manually) editing should be even faster.

But for me I'd say go w/ a Retina with the display... or get a Retina and wait for them to update the Cinema Display.
 
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