Zulip has a terminal client that's right now alpha software, but being actively worked on! You might want to give it a spin. https://github.com/zulip/zulip-terminal
Just FYI, Canopy includes the same Python distribution as EPD with the analysis environment on top. It includes a new graphical package manager that simplifies some package update tasks.
Here's a little experiment that I did.
http://punchagan.muse-amuse.in/blog/do-our-eyes-suck-at-blue...
I tried swapping channels, to cancel any unsymmetric effects like the use of Bayer filter etc. And still I find that the Green channel is always the most pixelated. The difference between Red and Blue channels is not all that perceivable.