I already knew that War of Being and Burden would be bangers, so no real surprise that they're among the best on the album. The biggest surprises are probably Sacrifice and Sirens, which are both wonderful. Legion is also growing on me since I first heard it. That entire last section is monstrous.
Really the only track I'm not really feeling is Natural Disaster. It's still a really cool song, but not quite on the same level as the rest. There are some really cool sections that I really like, but the vocal melodies feel a bit too jumbled and unfocused when compared to the rest of the album. Cool rhythms underneath though.
As of right now, my rankings are probably
War of Being
Sacrifice
Burden
Sirens
Legion
Tender
The Grey
Echoes
Natural Disaster
The top two may switch depending on how I feel that day. I also feel weird putting great songs like The Grey and Tender so far down, but I guess that just speaks to the strength of the album.
On the Dan vs Ashe debate: I really like Ashe on Altered State, and think that's a really strong album. It's a good thing Ashe's vocals are so layered on that album, because when they're not as layered on the VFtF stuff he can sound a bit weak (although that stuff is still also pretty good). I've always preferred Dan, partially because there's more power to his voice, and he just feels more stable, but also because he's so versitile, and likes to experiment with as many different techniques he can fit into a song. Much more exciting in my opinion.