I always advise  parents to check all preschools out in the area they are interested in.  Info. from forums like this and also by word of mouth is great but nothing compares to your own impressions of a place.  What's great for one may just not tick the boxes for another.  Knowing just how full CESK, Busy Bees, Starfish Lane and others are shows there is a great demand for more nursery places.