I didn't get a chance to listen to everything, but I got enough to make a vote I feel happy about:
Monoliths and Dimensions over Follow the Leader. I don't hate Nu Metal necessarily, some good things came out of the movement, but Korn is not one of those things. Very over-produced, bland, and boring. Sunn's brand of noise isn't particularly interesting either, but it at least makes for nice background noise and they're going for something unique. I wouldn't listen to either album out of my own will, but given the choice Sunn and it isn't even close.
Sound of Perseverance over Sunbather. I like both albums, although I have very mixed feelings on Sunbather (as illustrated earlier). The shoegaze mixed with extreme metal vocals is interesting, but I think that music is better with a lush, airier vocal style. The use of heavy drums and techniques like blastbeats is interesting and fitting though. All that being said, Sound of Perseverance is a timeless classic, and it's not even in the top three of best Death albums. A fantastic way to end their career and a cornerstone in the fusion of progressive and extreme metal. One of the first Death metal albums that really grabbed me.
Speaking of classic death metal, how is Morbid Angel losing to Accept? Accept isn't bad but come on. Blessed Are the Sick is far and away the best album in this entire game.
Also voted for Evanescence in a no contest round.