You know these speakers well, so I'll ask you for an opinion on the receiver I should use for these. I've decided to use them in main floor living room (18x18 ft) that opens up onto a dining room and kitchen. These will only be used for 2 chanel stereo sound. Would the Denon AVR-1601 (60 Watt @ 8ohm/90 watt @ 6ohm), Harman Kardon AVR-100 (40 watt high current), or Pioneer D3S (100 watt) be most appropriate to drive them. Your opinion please.