I'm surprised there isn't a thread about live shows. Here's who I seen in 2009 and 2010, and how they were live
Behemoth - Amazing, jaw dropping. The drumming was good, the sound guys were terrible, but they made most of it and still had a fantastic show
Satyricon - Amazing headbanging, Frost sounded uber loud and fast. Played pretty much all of their hits new and old. Crowd was a bit stagnant though...
Arch Enemy - The guitars were fantastic! Angela Gossow was great as well. Her vocals were great and she can bang with the best of them!
Converge - sorry, they were reaaaally bad live.... People had their middle fingers up and were telling them to go home. Never heard much of their studio stuff, but they were pretty bad.... and they had a long set!
Mastodon - Pretty Good, the fans were more crazy about it than I was, but it was a solid performance, their guitars were pretty good.
Dethklok - They were great, I think the breaks between songs took a hair out of it, but it was a really really fun experience for me, Gene Hoglan was ofcourse awesome, and the band was overall tight.
DevilDriver - wow, talk about sounding like their albums and they were intense.
Exodus - I was a bit surprised, the new lead singer was kinda "eh" in their albums, but was damn good live, he riled everyone up, and they performed great.
Suffocation - I was a bit disappointed, they kinda sounded generically loud, maybe it was an off night....
Thy Will Be Done - Awesome band, played to the crowd, they are a band to watch....
High On Fire - Three piece band, pretty damn good! Pike had some good stage presence. The only thing that I was disappointed in was that they had a pretty small set.