By and large, this is a pretty kind group. Once in a while, you might come across a bad egg -- pun intended -- but they are a Very Few among us.
The more you read and the more you know, the more skilled you will be at figuring out what works best for you. There is almost always more than one right way to do things; sometimes, it's just personal preference and what works for your situation.
There are some folks who love the OVER EZ (me! me! me!) and others who aren't so fond of it. It does have pro's and con's, but I would buy it again in a heartbeat.
It is incredibly sturdy; a few years ago, a derecho's winds ripped through my property and brought half of a mature maple tree on top of my coop. The worst of the damage was a bit of dented roof.
The coop also tipped over a bit, and landed on the adjacent coop. The sturdy EZ kept all the birds safe and uninjured. The tipping was likely because the EZ had been put on some bricks to keep the bottom frame from touching the ground and potentially rotting. After that, I added a row of concrete stepping stones under the roosts to help balance out the weight of the nest boxes on the other side. Others have pointed out that I should have used ground anchors. True.
I love the exterior nest boxes and wish all of my coops (don't ask how many) had them.
Also, I don't worry about predators being able to get into the coop -- now that I have added some hardware cloth over the window openings. I was lucky to snag my coop, used, off Craigslist from someone who was expanding their flock.
Previous owners had screwed what looks like wire refrigerator shelves over the window openings. Closed, the windows are perfectly fine, but window screen is not going to stop a determined predator.
I kind of pried open the air vents at both ends of the coop; it really should have more ventilation. If I were more skilled at carpentry, I would just install larger vents. My solution is to prop open windows and add a makeshift plastic shield to direct the air so it doesn't blow directly on my birds.
Manufacturers almost always overestimate how many birds can live in their coops. I have had never had more than six full-sized girls in the EZ. There is clearly roosting space for far more birds. IF the birds were going to be outdoors for the vast majority of their lives, you might be able to crowd in one or two more, tops, in my opinion.
One thing I've done to make clean up easier is to hang the smallest tarp I could find near the ceiling behind the top roost and under the front one -- like a poop hammock. Since the girls mostly poop at night while roosting, all I have to do is unhook the tarp and empty it in the compost pile -- way better than scraping poop off the floor!
Hope you stayed away through this Very Long response, and I hope it helps you!
Glad you joined.
I don't know anyone else who has chickens so I'm really just learning from reading through the threads here (as well as well-known chicken people with an online presence like The Chicken Chick and The Featherbrain...and Gale Damerow's books!)
. I've read that if the hens are mostly free range, you can get away with a bit smaller coop, but I don't want to have to buy another one anytime soon (of course, the Over EZ website claims the large coop will house up to 15 chickens, but there's no way!) 
