I bet @ClieOS going mad imagining detachable cable Etys!
The original ER4 always has detachable cable, so there is no need to go mad imagine it. What it doesn't have is good ergonomic and that issue has been recently solved by my own little cable experiment. As for the new ER4, I'll reserve my judgement till I get a chance to try it out myself. I am not the kind of people who want to fix a non-existing problem, nor am I a cable vendor who like to sell everyone an "upgrade". So as far as I care, if it isn't broken (like the old ER4 cable), don't fix it.