You certainly can -- just plug the USB mic in and go through the Audio Tuning Wizard (open up
the main Messenger window, and click the Tools menu)
One thing to take note of -- if you unplug it and then reconnect, you'll have to go through
the wizard again.
____________________________________________
Jonathan Kay
Microsoft MVP - Windows Messenger/MSN Messenger
Associate Expert http://www.microsoft.com/windowsxp/expertzone/
Messenger Resources - http://messenger.jonathankay.com