I’m in the UK, and I couldn’t find any good cover.
Fortunately I’m quite handy with a sewing machine, so I’ve made one for my Pro3 myself (and another one for my Rev2 while I was a it). Three layers: cotton, foam, vinyl, and with a flap at the back for the cables. It feels and look very luxurious.
Cost me about £50 of materials, so £25 per cover! The most expensive was the foam fabric. Also it was two days of work where I could have been playing with the synths, but in the end I reckon it’ll be worth it.
I thought I’d post it here for inspiration