It was late 2007, here's the Wrestlecrap link
, because I know you want to relive this Sanitarium.
Here's a link to all the past Gooker winners
for anyone who's never seen this shit.
01/18 & 01/19 -- Godspeed You! Black Emperor and Neurosis (in Montreal)
02/08 -- Dark Tranquility
04/11 -- Black Sabbath
04/24 -- Nile