hmmmm, I like all of those bands, but wouldn't be my picks to prove why that decade is the best musically. Some of the more popular bands rose to the top because their music was heads and tails above the others. I love the Replacements, but I do think that REM rightly dominated the airwaves right up to Document. I'm not crazy about their music after that and Reckoning is my favorite album. I also think Depeche Mode, The Cure, The Pet Shop Boys, and Talking Heads are all popular choices. But just saying that doesn't really describe some of the genius of their music. And, their memories have been stained in recent years by the airplay of later albums, past their peak, that are inferior. Anything by the Cure after Disintegration or Depeche Mode after Music for the Masses is vastly inferior to the core of their work in the 80s. And XTC is a consistently underrated band from the 80s.
However I am glad that New Order finally made pleasant music after Joy Division. Yes I was into Joy Division for a short time, but it's music with extreme limitations (as was much punk and post punk). Guys who were just learning to play their instruments and write songs. New Order was a document of their improvement.