I was there as well, a guy in a red/black Amon Amarth shirt and a hammer around my neck. I was up near the 2/3 lines of people up front, show was really good, volume seemed low, or else im just going deaf.
Was nice to see Tattered Banners and Live for the Kill live finally.
My only complain was that there was this douche beside me who was getting pissed at people crowd surfing. He kept removing their shoes, one landed on stage which Johan got, and gave back, but then the douche removed another, throwing it and almost hitting one of the guitarists in the head.
There was a nice wall of death for the roar after the cello part in Live for the Kill. Really liked the Pittsburgh audience, good metal brotherhood of sorts.