It is nearly instantly. Heat is generated in the pot directly, not in/on the stove, so there is nothing else which stores the energy, like the plates in older ones.

I just did that.

Gaming is OK, Multimedia is OK. Video conferencing with screen share is a bit problematic. I miss some functions from MS Excel. I do not need Adobe products.

But in general I am happy. (Opensuse Tumbleweed).

Happier than 3 years ago, when i first tried to go Linux full time. (Ubuntu)