I agree that Formulas is still my favorite MA album, but it was my first MA album so that always sticks with you. Heretic had some cool riffs and the song God of Our Own Divinity has a wicked interlude but that production killed any enjoyment I had for that album from the get-go.
10/18 - King Diamond
10/24 - Pallbearer
11/01 - Suffocation
11/30 - Devin Townsend
12/06 - Distant Worlds: the Music of Final Fantasy