That room is horrible! Worse than I imagined! The Usher Mini-2s are flat, voiced slightly different from the Mini-1s, which have a little bit more bass. I am thinking you are getting the "Ety" sound because of how close the walls and ceiling (LOL that too) are to the speakers, and getting that good ol' excessive diffuse field bounce off those surfaces. The room treatment required would be intensive, and at that rate, might not yield much in terms of where you want to go. If you want bit a of mid-bass rumble, and something that might be easier to work with, consider Harbeth. A totally different direction. The Harbeths have a bit of mid-bass and also incorporate a BBC dip in the upper mids around 2-3kHz. A used Harbeth Monitor 30 should be within your price range.