I don't know if it's the anger stage or not, but I do know for me, the anger actually motivated me to make decisions, make progress, etc. I would take the anger any day over the sobbing mess I was on other days.
So sorry for what you're going through.
Divorced after 23 years of M thanks to XH's truth trickle.
Status: Recovering and healing. It's going to be a long hard road.
Update November 2013: It only took seven years but I finally turned a corner. :)