Lots of good riding options, especially if they take the route more north than south. Old Barrie Road is good, but you can do it on the way up and home. Big Chute is a nice ride, but boring to get to. Up around Lake Muskoka and Lake Rousseau there are some really good roads with sweepers. I like Route 13, but only if the road is not sand covered. There is also a great road from Bracebridge down to Gravenhurst. I've been courious about where the route will run, hopefully somebody posts details.
Anything has to be better than last year's disaster!