Aside from Ozzy, the latest notable additions are mostly Canadian acts. Nothing too big but they've add the dates (but not the acts) for next Bluesfest.
September 25: Kim Mitchell - Civic Centre
October 2: Diana Krall - National Arts Centre
October 5: Jason Mraz - Scotiabank Place
October 15: Crash Test Dummies - First Baptist Church
October 17: Roger Waters (Pink Floyd) - Scotiabank Place
October 26: Roch Voisine - Centerpointe Theater
November 11: Bedouin Soundclash - Capital Music Hall
November 16: The Trews - Capital Music Hall
November 21: B.B King - National Arts Center
November 25: Ozzy Osbourne - Scotiabank Place
December 2: Great Big Sea - Civic Center
December 22: Trans-Siberian Orchestra - Scotiabank Place
July 6-July 17 - Bluesfest
Also CTV News aired a piece about a videoclip with some pretty smart dogs performing. And I've find out, this Chicago-based group called OK GO is coming on October 15 at Capital Music Hall.
Anyways here's the video
http://www.youtube.com/watch?v=nHlJODYBLKs