Stereo Mix feature?
The Stereo Mix feature AKA "What You Hear" is available as follows:
Riviera: Win Vista, Win XP, Win 7 is available.
Montego DDL: Win XP, Win 7 is available. Not available in Win Vista because of fundamental changes in the Audio *subsystem* in Win Vista, that were corrected in Win 7.
Of course the Audio Advantage series: AA_Micro, AA_Micro II, AA_Amigo, AA_Amigo II do not offer the Stereo Mix feature since there is no Line Input on these USB Sound devices.
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