I happen to like the Yamaha StagePAS 500 system myself. Sound quality is subjective of course; I like the form factor (I put the little mixer right at my keyboard rig) and the sound is quite good - not as good as a Meyer Sound system (which costs alot more) but great for most gigs I do for a few hundred people or less.

Jim
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Genos / Tyros5 / HK Lucas Nano 600 / FTB Maxx 40a / EV ZX1A / Rock'n'Roller cart / Hauptwerk virtual pipe organ / misc other audio & music toys