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Knight Relics

Sanctuary - Counts as Ion Shield, uncovered facings get 6+ inv.
Ravager - (chainblade) S: D, Ap1, re-roll failed to hit rolls of 1.
The Paragon Guantlet - S: D, Ap2, Colossal, Hurl, Master-Crafted.
Mark of the Omnissiah - Gains It Will Not Die.
Helm of the Nameless Warrior - Gains Rampage.
Banner of Macharius Triumphant - All friendly from Armies of the Imperium
faction within 12" re-roll failed morale, pinning and fear tests.

via anonymous sources on Faeit 212
Cult Mechanicus has 4 formations.

Cohort Cybernetica- all models in the formation are fielded as a single unit and robots can fire at different targets
1 Tech-Priest Dominus-gets the rules for the Cybernetica Datasmith
2 Kastelan Robot Maniples

Elimination Maniple-gain +1 BS and ignore cover
2-3 units of Kataphron Destroyers
1-3 Kastelan Robot Maniples

Numinous Conclave- must have equal numbers of each type of unit gain crusader and re-roll wounds
2-3 Fulgurite Electro-Priests
2-3 Corpuscarii Electro-Priests

Holy Requisitioner-Deep Strike with no error
1 Tech-Priest Dominus
2-3 units of Kataphron Breachers

FW already let slip in an email they are working on a Imperial Armour book to make the Mechanicus 30k units 40k friendly like they did with the space marine legion vehicles on IA:2 and IA:13