I've been on WIND for the last week or so and coverage has been great. No dropped calls and great clarity.
You can take a look at the updated coverage map here:
http://www.spatialdatabox.com/map-de...anada-map.html
Make sure you select wind mobile on the right. This website displays all the towers around the city. As long as you live near one of these towers, you shouldn't have any problems.