Here's a couple of reviews on the Instant Tents made by Coleman and Ozark Trail. Overall the Ozark Trail is much better quality and is more weather resistant. Coleman usually makes a decent product but they really missed the mark with their instant tents.

http://www.tent-reviews.com/ozark-trail/ozark-trail-8-person-instant-cabin-tent-review/

http://www.tent-reviews.com/coleman/coleman-instant-tent-6-review/