Maiden's got 30 votes. It's a complete slam dunk. I never even bothered with counting the scattering of Immortal votes (looks like there's 5 maybe?).
And this one's close, and I may have not even added correctly:
D666 18 Metallica 17
I'll await the "official" count.
Now if it goes to a tie, the rules are we go to latest release from each artist, in which case "Terror Abraxas" has the uphill fight against "St Anger".