This is entirely subjective. What certain features are worth is entirely dependent on you.
Personally, I’m inclined to stick to either M1 or M2 iPP at current prices for longevity. Considering how annoying 4GB RAM has gotten, I don’t think 6GB will fare well after 2+ more years of firmware updates.
For the 11” size, I also greatly appreciate the More Space display zoom option only available on M1 and above.