We got a quick look at the Acer Liquid Jade Primo and its still-in-development dock at CES.
Acer Liquid Jade Primo Dock, Quick Look : Read more
Acer Liquid Jade Primo Dock, Quick Look : Read more
Although I think you are missing the larger picture with a "secure" dock, you can't hold the phone to your head to take a call if its in the Acer style dock. Major disadvantage, which Microsoft's dock solves.