To me, 20W v. 100W is like computer RAM. I'll unlikely ever need a kW or 10TB, but at lower levels of power, I'd tend to buy up and be happy.
Lots of people do enjoy QRP though and that's not a bad price for a second radio or someone on a budget.
Lots of people do enjoy QRP though and that's not a bad price for a second radio or someone on a budget.