Dio > Ozzy

Listening to the Live Evil portion of Rules of Hell, the box set Sabbath just released of the Dio-era recordings and I have come to the conclusion that when he wants to, Dio absolutely slays Ozzy on the Ozzy-era tracks. I'm thinking "Black Sabbath" specifically; up until now, the benchmark for evil in that song was the Type O Negative version from Nativity in Black, but Dio's rendition totally blows that away. Seriously: I have chills. The man knows how to channel (or accentuate, according to some reports) the very badness that the lyrics of "Black Sabbath" conjures up.