The last two posts say that scooping the mids is a good idea. I dare you to ask any mixing engineer(live, or studio), and I dare to claim that 9 out of 10 times they'll say it's a very bad idea for any kind of music.

Originally Posted by: SLYDeath Metal bands don't sound heavy just due to their distortion settings , they also tune down at least one whole step.

Not true. "Heaviness" comes from making the guitars, bass and drums work as a team. Tuning down has very little to do with it.
Just listen to a band like Opeth, they play in standard tuning, music doesn't get much "heavier" than their stuff.