This is one of the only songs on Audiotool that's ever given me the chills. I love it. This is truly a masterpiece. The solo lead thing at 4;10 is marvelous. It could have a little better voice, but it's so inspiring.
Just saw your comment on Xav's page about needing critique to master. I think this sounds perfect, man. It's an excellent mix. I pretty sure he wasn't referring to you. :)
A lot more level balancing and maximizing. Put in a bunch of flourishes to make it a litle more interesting. Added a ride cymbal during the heavier part.