i recently bought an atoll - it is a nice unit, but i agree it is not that powerful, albeit pretty sweet, forward sounding for a low dollar unit
try a used hegel - they are very nice sounding solid state (not harsh in the least, very dimensional) and have very good control over dynamic driver speakers
try a used hegel - they are very nice sounding solid state (not harsh in the least, very dimensional) and have very good control over dynamic driver speakers