The best sign I ever brought was one that simply said "John Cena" with a big heart replacing the O. At the height of Cena hatred in late-2006. My brother brought one to the same show that had "John" at the top and "Cena" at the bottom with a crude drawing of a pile of crap in the center.
11/01 - Suffocation
11/30 - Devin Townsend
12/06 - Distant Worlds: the Music of Final Fantasy
03/07 - Video Games Live