that adidas is either the gigabounce or the megabounce.......both great shoes........
though im not a woman, i am a pronantor and i love love love brooks shoes....and with a wide foot as well, i am a New Balance whore....
i dont know about them breaking down, but i had a pair of 991's and they lasted forever, and the 1006's another great pair.
the problem with Shox, is, like rip said, have very little support. they would be ok for just running. in Nike, the Air Max 360, or 180....both super cushioned. only thing is they cut their shoes very narrow.....