Since you have been happy with the B&K receiver, why not a B&K amp? I have a 200w B&K Ref. 4430 3 channel powering my left,center, and right speakers. Great build quality, cool running, and very musical(IMO). Lot's of bang for the buck, new or used.
Look at these:
http://www.audiogon.com/cgi-bin/cls.pl?ampsmult&1257456123&/B-K-7250-
http://www.audiogon.com/cgi-bin/cls.pl?ampstran&1256827613&/B-K-7250-series-II-5x200wpc
http://www.audiogon.com/cgi-bin/cls.pl?ampsmult&1256388336&/B-K-REF-200.7-7-x-200-watt-amp
Bill
Look at these:
http://www.audiogon.com/cgi-bin/cls.pl?ampsmult&1257456123&/B-K-7250-
http://www.audiogon.com/cgi-bin/cls.pl?ampstran&1256827613&/B-K-7250-series-II-5x200wpc
http://www.audiogon.com/cgi-bin/cls.pl?ampsmult&1256388336&/B-K-REF-200.7-7-x-200-watt-amp
Bill