i don't know, i don't consider most of what you listed (especially the grind shit) as metal.
about a third of what i listen is "metal" but, you know, i just like to think it's heavy shit.
i don't know where to start even, yeah i love a lot of what has been mentioned already (april 13, cryptopsy in mexico city bitch!!!!), some hasn't, but then i'm not sure if they qualify. are unsane metal? how about kayo dot? is asva metal?
i don't like limiting things to being metal or not.
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i had two photos break my heart today, the first one was my ex who had this awful dog-like haircut and this is the second one:
to quote my friend "double-u, tee, effe, interrogation sign"