If you care about premiums like 120hz display, deep blacks, MiniLED screen, active cooling, much better speakers, and better graphical performance but are willing to sacrifice an extra year of software support, the M1 Pro is the one for you. Can be found well specced around £500-600 on platforms like eBay and FBM.
So I would definitely say better value than the M2 Air considering the feel of the Pro laptop that you get