Sony just published the full Sony A1 help guide here: sony.com/electronics/support/e-mount-body-ilce-1-series/ilce-1/manuals
Preorders:
Sony A1 at BHphoto. Adorama. Amazon. Focuscamera.
Sony XPeria 5G PRO at BHphoto. Adorama. Amazon.
Sony A1 in Europe at FotoErhardt DE. Calumet DE. Fotokoch DE. Park UK. WexUK.
Join the Sony A1 Facebook group here.