At the NEC show in Birmingham Sony displayed the new wireless flash system. You can see the images at Photographyblog. Sony did yet not disclose the pricing of the new flash. But they said they will ship it this Summer.
And here are some more NEC pictures:
Laowa STF 105mm f/2 (T3.2) Lens Hands-On Preview by ePhotozine).
Sigma MC-11 Mount Converter Hands-on Photos by John G Moore and Photographyblog.
Sony Wireless Flash System Hands-on Photos Photographyblog.