I wouldn't rely on DC completely. Its damage is still halved against shields. Sounds like it'll be devastating against Reapers and Collectors though.
Yeah, I wouldn't put much faith in it against Geth, and probably not Cerberus either (although it could drop a Phantom pretty quickly). But jeesh, I'd love to see the effects it could have on Banshees and Praetorians.
I'm still not 100% sure how best to use her myself. I'm thinking BEs will be more of a situational thing. Cloak -> DC on a boss and shoot, then cloak -> warp to detonate and debuff and shoot some more. You could probably slap DC on a banshee and have her die solely from DoT while you go handle smaller enemies.
What's BE stand for?
I am Thor Odinson of the Vikings, giant. I am not the god of reason and understanding.