Thank you very much for your response!
After reading your response, I often felt tempted to buy a x86 MacBook. However, one thing made me wait: I want to be able to have my system running nonstop, because I want my children being able to spontaneously go to the keyboard and play without asking someone to start the computer. And my hope is that the new machines produce less heat and works well without a fan, so I would feel better when I leave the computer on for a long period of time.
Tomorrow we'll see.
If the new system isn't 100% compatible with old software (e.g. are there issues with eLicenser? Can I run a native version of MainStage and use it with x86-VSTs?), I'll get an x86 MacBook. Perhaps their prices drop soon.
Otherwise, I am eager to get an Apple Silicon MacBook...