i read that $400 price tag is to compete better with pod and boss....there is only one expression pedal (compared with the $500 2004 se model) but the other upgrades make it wortth more than the other two by far....I read that though so it is not fact ;)
heavy mod on the tonelab se
http://www.tonelab.net/files/active/0/Damagecontrol.mp3
townshend mod
http://www.tonelab.net/files/active/0/Townsend%20Tone.mp3