Just want to say. There really isnt a big difference from the two. Yes, the S models are made by samsung, however, the A models are still made in a quality 3rd party manufacturer that is very keen on keeping the business samsung provides for them. In reality, the 3rd part manufacturer, otherwise known at "A", is more motivated to employ higher quality checks, to maintain its relationship with samsung. I cant say that S is better than A, but in my case, I got an S model and still had some of the issues affecting A models. Just saying this so you don't feel bad about getting an A model, because it really shouldnt be looked at as a bad thing.
After all, your intel CPU could have come from several different fabs, yet all hold the same stringent quality reasurance plans to protect the intel brand and image of quality.
If anyone here has an A sammy model, please post your experience with it, so we can relagate that information to form a proper conclusion. As for right now, its all heresay, nobody actually knows if A or S is better, they just assume in-house is better than the out-house (teehee).