There's been a number of comparisons of Axiom speakers vs other brands over the years. In the past two i did a bunch of towers and i think i posted some thoughts on Monitor Audio and Angstrom bookshelves as well.
Not as many forum posters as there used to be in here so you might have to look more broadly to find M5 vs other brands if those comparisons exist. Some KEFs and Revel are VERY VERY good. I've been looking around for some Revel F208s.

"Those who preach the myths of audio are ignorant of truth."