Criticize this mix

[theguitarfreak]

This is one of the bands that i have been mixing recently. Have a listen and tell me how it can be improved.

http://dl.dropbox.com/u/10355927/Rebirth Master 2.mp3

 

[oroinvictus]

The source sounds are good, but the mix as a whole is really lacking in depth and punch.

 

[theguitarfreak]

The source sounds are good, but the mix as a whole is really lacking in depth and punch.

How can i improve on that?