If you are speaking about the T787 or last generation T785, they both do have a very good amp section for an AVR. This guy on AVS uses a T787 with ML EFX's and seems to be very pleased.
http://www.avsforum.com/t/1432396/anyone-have-an-nad-t787/30
Bill
http://www.avsforum.com/t/1432396/anyone-have-an-nad-t787/30
Bill