Ah... finally Meshuggah is mentioned... so here we go
Bands that are just untouchable:
Meshuggah
At the Gates
Death (Why did you have to go Chuck???

)
Morbid Angel
Tool
Bands that are quite good:
Obituary
Carcass
Gorefest
Pleurisy
Emperor
Nile
All out war bands:
the Dillinger Escape Plan
Coalesce
Converge
Agoraphobic Nosebleed (coolest bandname ever too)
Botch
Kataklysm
Soilent Green
Ruins (is it still metal or just fucked up Jazz?)
the Locust
Pretty much everything out on Relapse or Tsadic records.
Hardcore:
Earth Crisis (albeit more nostalgic)
The Year of Our Lord (At the Gates ripoff basically)
Poison the Well
Shai Hulud
Strongarm
Sky Came Falling
Dead Blue Sky
Zao (I still can't believe that voice)
Nostalgic bands:
Pantera
Metallica
Sepultura
Noisecore:
Merzbow
Mike Patton's solo stuff
Shikari (no, not Shakira)... like to see them again...
Eh... what's the point in all of this?