A bunch of 11 minute songs? It could be good. It could also be bad!
I might agree if I could think of one long SymX song that is bad. Below is a list of their 8+ minute songs.
The Accolade
DWOT
Walls of Babylon
Revelation
Awakenings
Odyssey
Edge of Forever
Lesson Before Dying
When All is Lost
Reign in Madness
Church of the Machine
Through the Looking Glass
Rediscovery 2