Here are this week’s previews from Games Workshop.
Exemplary Battles of the Age of Darkness: Volume I

The next expansion for Warhammer: The Horus Heresy arrives soon, with updates to Exemplary Battles, revised missions and unit profiles, and a new Exemplary Battle.
Legiones Astartes Battle Group

This set includes 32 plastic models, comprising a full Battle Force which can be painted up Loyalist or Traitor. The marines sport MKIII armor, and the box includes a Land Raider Proteus and the first-ever plastic Deredeo Dreadnought. There are plenty of special weapon upgrades and transfers in the set too.
Legiones Astartes: MKIII Tactical Squad

Here’s a tactical squad in MKIII armor. The set includes build options for vexilla, vox, and Sergeants, as well as plasma pistols and power fists. There are 20 miniatures in the set which can be used as either two 10-model squads, or one 20-model squad.
Legiones Astartes: Deredeo Dreadnought – Anvilus Configuration

You’ll also be able to buy the Deredeo Dreadnought by itself.
Sons of Horus: Armoury of the Sons of Horus

And here are some weapon upgrades from the Sons of Horus.