I have one with the steel box, can't compare to others as only have the one, but it's pretty good for the money. Got loads of pic's and video's of badger's, deer, foxes even mice will trip it! The foxes and deer know it's there so are a bit wary the badger doesn't have a clue.
I have it set to take a still pic and a 10 second video any longer and it's just the same old stuff.
I screw it to a tree then padlock a chain around the tree then hang some dpm material over the box. There's a bit of movement inside the box so make sure it's pointing in the right place, also I find I get les