USA: BHphoto. Adorama. Amazon. Henrys CA.
EU: Fotokoch DE. Calumet DE. FotoErhardt DE. Wex UK.
Asia: CameraPro AUS.
Hands-on and reviews:
Hands-on at Explora. Image samples at Dpreview. Product page at Sony UK. Hands-on by Imaging Resource. Review at Digitalcameraworld. First Look with Garrett King.
FE 24-70mm f/2.8 GM II (left) Vs. FE 24-70mm f/2.8 GM (right) by Explora