There are so many options you can do, now that we have the snow. Check out a site called Quebecrider.com lots of good riders there too. Sounds like you got a good plan, St. Michel gets crowded, check out Mt. Laurier area, with Devils Mountain, Windigo Falls, there are some great trails and loops in that area and a little closer to you coming from ON.
Have a great time, take lots of pics !