According to a presale listing on B&H, we may just have our answer. According to the listing, B&H expects it to be available December 30th. The price is right on par with the Japan ASUS store and is quite reasonable if you ask me.
If you own a Nexus 7 and are thinking about picking up this official dock, why not hit up the link below and pre-order yours today.
Vincent Messina has been writing and evangelizing about Android for the past three years. When he's not playing the part of "Loki" to his 5 and 4-year-old, he can be found here, covering all things Android. He adamantly believes Android has the greatest community around and can be harassed at any of the following locations: Google+, Twitter.