Mini system is just for comparison by the way. Yet when you use the term "quality component", this term is relative depending on different people perceptions, meaning that different people have different opinions and experiences with speakers, speaker cables, power amps, etc..

Axiom M60s, QS4s, VP100 Onkyo TX-SR804 Oppo 970HD Rotel RB-1080/RCD-1072 REL Q150E sub, PS 3