The first wave of the Cult Mechanicus is now live for Pre-Orders. Of course if you are in Australia they have been live for a few hours now.
Check out the latest pre-orders from Games Workshop
This Weeks Pre-Orders
Adeptus Mechanicus Kastelan Robots
The Congregation Mechanicus
The Octadic Automata
Some Additional Images as well of the new models, and some Imperial Knights.
via Atia on Bolter and Chainsword