The only ones I use are Possession and Shock Jockey. Kinda annoying that you can't upgrade as you get money, they need to be unlocked by progression to some arbitrary point in the game. The same with the weapons. I just use Hand Cannon and Carbine, and might switch to an RPG if one is around and there is a Handyman. So now I have over $4k and nothing to spend it on.
Murder of Crows looks cool, but early on it didnt seem that effective, even after an upgrade. Devils Kiss is good. I should spend money on that in case I cant find an RPG.
I thought devils kiss was not that great. Maybe I didn't try it enough, but it seemed to require too much accuracy for an AOE weapon. I really like crows though. When deployed most enemies on your screen will
1) be immobilized for a little bit
2) stop firing their weapons and
3) be more susceptible to damage.
That seems way better than a fire grenade that the AI just runs away from...
The carbine and handgun don't really seem that good. It's possible my poor accuracy prevents me from using the carbine effectively. I've been using the shotgun and machinegun.
I'm trying to figure out the best vigor combinations. So far, I don't use possession unless I have to defeat an automated turret. I hardly ever use it on the regular bad guys. Mostly I've been using Murder of Crows and then blasting everone with my guns.