Hey, do you know the awesome linux terminal terminator? Looks like someting that could work out for you, heh.
Edit0. Like I’m blind, you are already using tmux. Also +1 for ArchLinux.
Edit1. Would it be hard for you to release a benchmarking tool for systems (not a miner)? How to (mining) benchmark a system (not single core)? — I am in the process of preparing some hardware, but I need numbers to measure feasibility. Thanks