Here is a little bit of information regarding Dark Angel terminators and knights. Its only a little bit and apparently was taken from the White Dwarf which is apparently also released in other countries like Finland.
I am definitely looking forward to seeing this codex
From a source that wants to remain anonymous
T5 when packed in close together
A one use ability and only lasts one turn
may select a Land Raider as a Dedicated Transport
1 terminator for every 5 may upgrade to the following weapons
cyclone missile launcher
can take a land raider as a dedicated transport
Dreadnoughts and Venerable Dreadnoughts are both an Elite Choice. A venerable dreadnought is simply a vehicle upgrade in the codex entry.