I hate how inconsistent my damage is, I'm almost positive I'm doing something wrong. On fights like Sha of Fear where I can just sit and DPS for three minutes, sometimes I'll pull like 60k and other times I'll pull 100k. If there's a fight with heavy movement it's almost always under 70k. I don't think I'm really doing anything wrong (I have Vendetta and Shadow Blades macroed together, which might be part of the problem), but otherwise I'm reasonably confident in my rotation. Sometimes I fuck up my opener but that shouldn't have a HUGE impact.
Armory. I know it's in combat (I swapped for Protectors) but when I do Assassination my offhand is Spiritsever (raid finder) with the wrathion gem thing. It's not great, but it'll work I guess.
The only thing I know I haven't done is reforge everything and gem it, but I'm running low on money so I was going to try and wait a bit longer.
I'm not sure why that trinket slot is empty, but I'm using the 496 one from Timeless Isle because for now it's the best I have.