I'll say this about my megs pads, some I have had over a year without problems, 2 sperated after one use.
I trace this back to soaking the pad in warm water for long periods of time(45 mins - 1 hour). Once I stopped, my pads have lasted much longer. I now spray a little APC into them right after I use them and then rinse after about 30 seconds. So far, so good.
At one time I could not wait to try the edge DA because of the success that I have had with the larger pads, but now they are not even on my list.