Personally, I'd just be happy if the freaking unit would quit yelling at me while SD is the currently selected audio source. If they'd fix that, I'd be happy on this account.
Just some notes for you to consider:
In order for me personally to not eff with the volume constantly, I have adjusted the SLA volume (in your audio settings) on the different inputs to make them more closely in tune. Each input is different, so make sure you toggle through and adjust them all (except Radio inputs, as they don't have one). I can also tell you that if you use your iPod as an input, you shoul