I think they were a little over confident on how well this tour would do when booking the venues. I know the Copps Coliseum show got moved to the Sound Academy in Toronto, and Copps Coliseum was already using a scaled down seating setup.
09/27 - Cattle Decapitation
09/30 - Revocation
10/04 - The Black Dahlia Murder
11/12 - Kataklysm