clean, navigable UI is probably at the top... split and tab views is another huge one for me. I usually have my last desktop with iterm, and 3 windows open... one is running my project with a watcher, and the other two for various tasks.

The next screen is my editor, next browser, finally email/comms. ConEmu is OK on windows, and I've tried a few different linux terms, but not is as easy/nice to use by a mile.