Sorry to resurrect but...
It's been mentioned above re. hearing the rest of the band but if I wanted to play live and be able to hear the whole band as a balanced blend (so that I can play off what they play), I'd need the whole band to be ampless - yes?
This leads me to ask if the drummer is still cracking away on (mic'd) drums, my IEMs would need to be loud enough to balance/block him out - could this then lead to potential hearing damage as IEMs need to be turned up; again especially if there is any form of foldback/monitor on-stage?
I realise that many acts/performers are using IEMs with no backline but I'm thinking of the daily, practical implications for a small band, which might not always have a good engineer (assuming we are using a decent PA).