im sure the 93 cube is much larger than my 50 but i love my acan lights, i have the prisim module and i really like it, it is has independent timers to run my personal combo of dawn/day/dusk/moonlight series, its dimmable so i can set it as blue or as white as id like, and with the multiple colors of other leds it really makes corals shine..i dont know what it would take to light your cube, but i thought id put it out there.. especially since im the only one (i believe?) on this forum with acan lights, it comes complete with the hanging kit as well as mounting kit included, and their customer service is legendary.
as far as ecoray goes IMO i wouldnt, i think theyre kind of ugly, and not dimmable which could be annoying to find the best hanging height.. however they have incredible results
and i dont know anything about the maxspect, sorry