Great! Definitely like the openness of the 2nd version better. It removed the blanket that was over the first one.
Have you thought about applying a high pass filter on your rhythm track? Set at about 100hz, it will really tighten up distorted tracks and make your chugging clearer. It will also allow you to hear the bass guitar better.
Still, very nice job, esp on the lead work! I've played this song live before and it's always a challenge to get those leads right at correct tempo.