PS3 cost more to make, is more complex to build, sony losses money on each, and they currently have a supply shortage and people call bullshit, and yet Nintendo who wii cost less to make, is less complex, and gets profit on each also, and has a supply shortage for almost 3 years and people jump for joy at how much it's selling and it's popularity.
I don't get people here, if it's bullshit for Sony then it's ultra bulshit for Nintendo regardless of sales.
The only real conclusion is that there could be a component shortage, or just raw material shortage which in effect would cause a shortage of PS3's, I know that Samsung over here in Australia has a part shortage so from my point of view it's highly likely that it could be the same for sony.