HI GUYS, I AM LOOKING FOR SOME ADVICE FROM YOU.I USED TO HAVE A MARANTZ PM 6004 INTEGRATED AMP HOOKED TO MY B&W 683 S2. THE PROBLEM WAS THAT WHEN I CRANKED THE VOLUME THE AMP WILL SHUT DOWN. THE B&W'S ARE A BIT POWER HUNGRY AND THE AMP WAS ONLY 45W,SO IT WAS UNDER POWERED. NOW I HAVE MY EYES ON NAIM NAIT 5I S2, NAIM NAIT SX2, CREEK DESTINY 2 OR EVEN ARCAM A19, ALTHOUGH THE ARCAM IS ONLY 50WATTS. CAN YOU PLEASE RECOMEND THE RIGHT AMPS REGARDING MUSICALITY & POWER FOR MY B&W 683S2? YOUR ADVICE WILL BE MUCH APPRECIATED.THANKS.