It was way too fucking expensive & I fucked myself buying one. Feel that way about almost any gear I buy new / don't dig out of the trash though, so yeah.
Feel that way about my Lyra-8 too, and I still play it nearly every day since it came.
If you go for it for sure get the 2-pin version with the "range" knob, though I can't imagine the other the pins pick up contact with stuff really well & fine-tuning that is indispensable for me now. The antenna gain ("range") knob you only need to turn way down if you're hooking it up to something crazy in my experience. Touch your fingers to both knobs and touch other shit with your other hand and feel powerful. tapping it on the chassis of my realistic preamp that it's wired into sounds magnificently harsh & fast moving.
I gator clipped it to my active antenna setup (real simple one with an antenna tuner), and cranked up the juice - got some pretty astounding shit out of it. Up until then I still almost suspected, deep down, that it might just be a telephone pickup through a cheap preamp circuit playing off the openness of its target audience - it's not, safely. Though you can get a lot of those same sounds as well - circuit sniffs, etc. It can read many more things & sounds vary much more. Get the 2pin one.
The real issue with ether is that it's hard getting enough good sounds from things around your house or where you rehearse. You're sure to find a few: lights are sweet, one of mine climbs up in pitch like a siren when you switch it on. My copier sounds so much like Symphony for a Genocide it nearly made the thing worth it. But then what? That's all the variety you'll get there if you don't venture out with it. So imo it's not really "gear".
I've got a handheld VLF receiver with a miniwhip antenna, runs on batteries. It too can make EMFs into sound - using it anywhere near the AC grid blows it out in a way without much variety actually. It's only really useful if you take it out with you do get atmospheric sounds (or if you get really, really creative / are a genius). SOMA Ether is like that for the AC grid, public transit, the metropolitan everywhere - a kinda industrial VLF.