Last monday I saw Mastodon @Cafe Iguana in Monterrriot Mexico and it was fucking great...
Ghost Of Karellia
Crack the Skye
The Last Baron
Blood & Thunder
The tickets were a lil bit expensive $40 dlls considering that the first time that I saw them with Slayer costed me like $25 dlls
Check out some pics http://www.flickr.com/photos/titaelizondo/