Just FYI, for those of you out there with old MacBooks with the old keyboard layout (integrated numberpad, no media keys, and an enter key instead of option next to the arrows), Apple seems to have stopped making those and are instead replacing them with the modern layout when you go in for a replacement because of the cracking issue. My Core Duo MacBook just came back today with the modern layout
So, good news for some, bad for others. Either way, it would seem that the old layout is no longer with us so far as Apple is concerned.