If you like Greg Mackintosh's riffs you should really check out the album Icon. The guitar-work on that album is fantastic.
I forgot to mention Katatonia closing their set with the riff from Demon in my review, that was awesome.
02/04 -- Napalm Death
02/20 -- Swans
03/07 -- Video Games Live
03/20-21 -- Trois-Rivière Metalfest
05/09 -- Faith No More
07/06 -- U2