Depends mainly on how far you are from speakers and how loud you want to go. Some speakers will benefit from higher damping factor in particular , others less so.
Having said that, more power in a line of amps will never hurt. Much like a bigger engine in a car. Making music can be a lot of work, especially with the lowest frequencies. If you skimp on those you can get away with a lot less power. Power needed for flat response increases exponentially as frequency gets lower. You may never miss having that truly extended low end response if you don’t but you are missing out on something if not.
I used to sell many popular lines of amplifiers to a lot of people. Nobody who ever compared ever preferred the sound of a lower power amp in the line to a higher one. But when comparing different designs from different vendors, that’s more apples and oranges and harder to predict what will be preferred.
