Information rumored to be from the codex is coming in. I have now heard this bit from a couple different sources, even though I am putting it down as from a single source. (the information mostly duplicates).
Please remember that these are rumors.
via an anonymous source on Faeit 212
Ghazghgull is a lord of war
The stoompa is in the codex
Waaagh- They can run and charge same turn
Boarding planks adds 2inches to your move on disembarking te vehicle
Ere we go- reroll one charge die
In combat they are always fearless
Killa Kanz are now 6 a unit
Bikes are down 7 points Can be 15 a unit
A seperate forceorg chart