Today, Peter Howell published a glowing overview of the festival in today's Toronto Star. Here he names the TIFF docs that he's most keen to see:

Capitalism: A Love Story (Michael Moore):
I've been disappointed with Moore's work over the past few years, as he's allowed his political agenda (i.e. anti-Republican) to overshadow his "common dude" approach to investigative journalism. He's back afflicting powerful capitalists once again, shades of Roger & Me, and  I'm curious to see whom he inflames amongst the robber bank barons.

Hugh Hefner: Playboy, Activist and Rebel (pictured) (Brigitte Berman):
We already well know about the "playboy" part of nudie mag founder Hefner; the "activist" and "rebel" parts sound awfully intriguing. Let's hope Brigitte Berman digs deep enough to find the man inside the big bunny.

The Most Dangerous Man in America: Daniel Ellsberg and the Pentagon Papers (Judith Ehrlich and Rick Goldsmith):
I'm a sucker for historical exposes and I've always considered the Pentagon Papers incident to have been shoved aside by the greater notoriety of Watergate. Richard Nixon was up to no good long before his fumbling plumbers started the leaks that led to downfall.