I second that, 

the Audi interface is simply the best of 'em all

I have a Q7, and had an A8 3 months ago, and have an S550L now,

Really, the Audi MMI is the simplest to use. Smiley


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2007 Porsche 997 Targa 4s, PSE, Tip

2008 Audi Q7 4.2, Remus Muffler