Preorders:
USA: BHphoto. Adorama. Amazon. FocusCamera. Henrys CA.
EU: Fotokoch DE. Calumet DE. FotoErhardt DE. Wex UK.
Asia: CameraPro AUS.
Dpreview posted a set of hands-on images. Here are also some more images posted directly by Sony and some by Mobile01:
And this is a comparison with the previous version: