This is assuming you've read the book yourself and know what everything's stats are. This is also a very quick glance; things will probably be wrong in time when the book is properly tested.
Special rules: Combat Squads are always great. Loss of Ultramarine Combat Tactics is going to be unusual to adapt to.
Warlord Table: Angel is useless, The Imperium's Sword is average, Storm of Fire is pretty nice, Rites of War is quite good, Iron Resolve is only good if your HQ is going into close combat regularly enough, Champion of Humanity is eh. Probably better to go with BRB warlord traits if you can.
