LightTable has some pretty interesting features in this direction: http://www.chris-granger.com/2013/04/28/light-table-040/
I actually thought that was where this article was going, and was very surprised when it wasn't mentioned. I will say though (as a lighttable backer with the fancy-schmancy t-shirt to prove it) that the current builds of light table are... incomplete. The idea of lighttable is very exciting, but I haven't really found the current builds to be much use. They are too similar to existing editors / workflows, and as it's…
I was working in background on my own system before light table appeared. am back on it now in my spare time since light table is aiming away from my requirements. every time I see an article like this i think I should have worked harder to get it working by now