The 46/402 combo and 6900 are a match soundwise, the 6900 has plenty of power for your 87db/W/m 805's the 46/402 has more power,dynamics every... The c2200 will utilize those tweeters and mids more effectively and add some needed life (to my ears which prefer a different sound to B&W) than the previous combos. I would consider c2102 amp optimum. Ma2275 integrated looks super and sounds like a 75% clone of 2200/2102, and better than other combos in one box. If you play exloud rock and have a exlarge room it might not be enough juice all other discussed are good matches or overkill.If you live around binghamton ny audio classics offers hundreds of bw-mac combos. Try as many till your happy, hopefully my rankings will fill in any gaps, before i get hassled 402 is more powerful and would be needed for panel type speakers but if wfa let you have electrostats and all that other boxes don't wimp out the 2102 sounds best in monobloc config which requires owner to flip a switch,and pony up another $6100.