Personally, my only wish is that Apple had made a 27-inch version. And perhaps offered a few additional color choices, but I think they got a whole lot about this design exactly right.
I don't think many users will care in the slightest that the port count is limited, because a decent hub overcomes that. Ethernet is barely an issue any longer with competent wifi networks, and with bluetooth headphones and (supposedly) pretty good on-board speakers, the 3.5 audio jack is heading the way of floppy drives anyway.
And the power brick? About as non-issue as an issue can be. Aside from a laptop on battery, there are trailing wires whether they look pretty or not, and honestly, having to deal with power supply problems in a bunch of Dells over the years, an outboard PSU seems like a rather good idea right now.
So, a space grey, or dark green 27-inch M1 iMac with a dedicated port for a wired mechanical keyboard, and a price tag of $249.99 (or perhaps as much as $399.90 as long as I can have $32Gb RAM at that price) would be perfect!
Thanks.