@ Caustic
They still keep most of what made them unique before and their characters such as Helbrecht have only gotten better.
So they still have their vows that affect the whole army not just one or two models?..... no
So they still have their zeal move?...... No
So they still can buy POTMS for any vehical?....... No
So they still can have Blessed hull? ........ No
So do they still have the holy hand grenade?........ No
So ?....... NO
The only thing they still have is the crusader sqds.
I fail to see how losing almost nothing and gaining Command Squads, Sternguard, Vanguard, Legion of the Damned, Centurions, Stormravens, Thunderfire Cannons, Bikers as Troops with the right Captain, Master of the Forge Dreadnaught lists and Land Raider Redeemers is cause for disappointment.
Oh and you don't have to take the Emperor's Champion anymore either, though he is an option unique to Black Templars.
gaining huh?... well this is my opinion so feel free to dissagree
Command sqds .... not really worth it
Sternguard,...... Actually I have to admit... these are nice and might be worth their points and taking in my army
Vanguard,....... Not worth it, besides an assault unit that cant take a melta? really?
Legion of the Damned, ...... Dont know about these never played, with or against, so cant judge
Centurions,........ Paper tigers. Scary, but spray them with water and they fold.
Stormravens, ......... I would love to have a flyer.... so oh yes please
Thunderfire Cannons, ...... Can be effective, specially if they hit on target.... So wouldnt mind
Bikers as Troops with the right Captain, ..... Ah... you just said it has to take the right captain so.. no thank you. Playing BTs not White scars
Master of the Forge Dreadnaught lists ......Sounds interesting... but situational.
Land Raider Redeemers..... Yes I would like some flame to go with my fury
The only real improvement with the (betrayal) fold into the SM codex, was the drop in points and the inclusion of grenades.
And cough .. cough... splutter.... NOT TAKE THE EMPERORS CHAMPION?

Are you mad?

. One of the coolest, both in rules and model, units to field. He's epic.