Chuck, > We support the Andrea USB Pod, but not the ANC-600. That does > not mean necessarily mean it won't work for you, just that > our experience has shown people don't get very good results > with that microphone and iListen. We concur 100%. The Andrea ANC microphones, because of the nature of the active noise cancellation, having much lower gain or microphone output is necessary for good results with iListen. Our recommendation for Macintosh users is the VXI TalkPro Xpress microphone and the Andrea USB sound pod. You can see this microphone at: http://www.emicrophones.com/microphones/prod_details.asp?prodID=047 Martin Markoe, eMicrophones, Inc. The best microphones for Speech Recognition See us at: http://www.eMicrophones.com/ See, "Key Steps to High Speech Recognition Accuracy for the Mac" at: http://www.emicrophones.com/docDetails.asp?DocumentID=39