So I am going to buy new speakers/receivers and all that stuff. I am considering the following options: buying a pair of computer speakers OR an amplifier better quality speakers more imputs What would you do? I need it for radio and good quality audio. I am looking into the Harman Kardon HK-3490 for it. Could I hook up two satellites and a subwoofer to it to play the radio and through my Mac via a audio input? Thanks!