Very small room systems and synergy

I have considered an amp change but really like the size, price, and convenience of the NuPrime. Any suggestions on that subject?

I have played with most other aspects of the system.  I've moved speakers into every possible position including moving furnishings, I have acoustical treatments that I've played around with for years and I think that is good now.  What I find is a lack of overall frequency response.  I'm 63 years old so my hearing isn't what it was but all my systems have sounded screechy and lacking in mid bass to bass.  I've even had subwoofers in the past I used with Maggies.  Maybe I expect to much?

Reven6e's post was how I pretty much feel about the LS50's. I've tried moving them changing the rooms acoustics but just don't get that spark.  What some call the "mid-range magic" that small monitors are know for.  Best sound I've had in a while where some Q Acoustic 3050 towers that sounded great but were to big and boomy for my small room.