> it's about paying a bit extra now to be able to go from decent-in-2026
Does "slower than an iPhone chip from a couple of years ago" meet that bar?
For lots of things, yeah. Don't try to fold proteins or open Facebook or whatever, but if you want to run a 3d printer or make some drawings or organize a bunch of notes and docs it would be way more than enough.
The CPU is specifically one of the upgradable components. Should a faster CPU be available in future there's the option to swap it in.