...
1a. Audio: Direct configuration of OS systems audio setup via Audio Setup Wizard. Today you can choose the microphone device, but you cannot choose the sound out device. (Add-in: 9.3.136)
Reason: The single biggest obstacle for AC-users is the configuration of sound on their system. First they have to configure the sound in the OS (which can be very difficult), next they have to configure the sound in AC. The Audio Setup Wizard should be able to configure sound on the system and in AC once for all (other systems like Skype do this).
...