I agree, would be a great feature. Windows Vista/7 help, as the audio mixer lets you adjust volumes or mute individual applications, but it's not as useful as

I agree, would be a great feature. Windows Vista/7 help, as the audio mixer lets you adjust volumes or mute individual applications, but it's not as useful as a built-in browser setting (for example the browser doesn't show up in the Mixer until after it's started playing the sound, so you can't pre-emptively adjust it).