We’re glad to hear you like what you can do with Elastic!
It can be slow, but one way for a better appearance and feel can be to use flush cutters to cut the support while you’re pulling it away from the surface. Then, the cut area pulls back into the surface of the part, leaving a more subtle mark than just cutting it without tension.
You may also want to play around with whether you remove supports when the part is freshly printed (soft, some risks of tearing part while removing supports), after rinsing (very soft, easier to remove supports but a higher risk of tearing), or after post-curing (stiffer part, lower risk of tearing, but more difficult to remove supports).
In any state, I like to use scissors to cut away most of the supports before going in with flush cutters to try and get a good finish.
There may also be more techniques for finishing Elastic that haven’t been figured out yet. I don’t personally know of any way to make it softer than it already is. It might be close to that soft when soaked in IPA long enough, but I don’t think those parts would be very usable, and they’d gradually dry out and harden somewhat even if they retained that IPA-swelled softness for a few hours.