I am very happy with the RCF. I use passive gear. If I ever went powered QSC would be 1st on my list. I have 2 QSC PLX3002 amps and I just love the way they perform. My only powered gear are the subs.
As for the QSC speakers I would go with 2 HPR 152f and run them with 1 HPR 18" sub.