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Dream for me is one including a heated mirror for shaving.
Can recommend. We have one of these and I'm pretty happy with it. Mirrored on the inside and out, which is more useful than it sounds and has a motion sensor switch so you don't need to touch anything to turn it on and off: https://www.amazon.co.uk/Neue-Design-Illuminated-Certified-Standards/dp/B00VQP14RQ/
Weighs a ton though. I'm surprised the wall can hold it, given its candy floss consistency.
Funny you reference the US. Our apartment there a recessed one, so did our mates and I really liked the idea of them.
I assume there's a reason they're more common there than here.
Dream for me is one including a heated mirror for shaving.
Edit: turns out you can buy cheap heating panels. One of the reviewer wired(?) to the light pull cord so by the time you finish showering it's clear
https://www.screwfix.com/p/klima-heated-bathroom-mirror-panel-65w-65w-230v-410-x-580mm/77859