The Art of Time's website indicates a show on October 21st at the Registry Theatre in Kitchener. This additional date has not been confirmed on Sarah Slean's official site at the time of publishing.
Ahead of this tour is the Art of Time's show dedicated to the Beatles Abbey Road album. Tickets for that concerts are nearly sold out but they according to their twitter page they are looking for a merchandise volunteer who can view the show for free.
Update: 2009-09-25
A few minutes ago the Kitchener show was confirmed on Sarah's offical twitter account. The Beatles Abbey Road concert with the Art of Time has now sold out.