I am new here and don't want to offend anyone, but this is directed at the skepticism of omniphoenix...
I have used Edge Audio here in Az and love their honesty and input. The fact that he put himself in a position to help you out with good advice does not warrant the blah, blah, blah response from you.
I am really excited about the f90 and was a little upset when he told me the same thing, but looking at some of the early responses from some of the people who have f series decks. Can you really say he was wrong?
His message to you was probably similar to what he has been telling everyone... Wait for the glitches in this deck to be worked out and then pull the trigger. Even if the voice command was perfect for the new models listen to the other issues that are coming up.
I just want to be clear in that I am standing up for a good honest shop here in Phoenix and not trying to knock anyone here, just be patient and see if there are indeed problems with this deck.