2 questions: 1.) Does the black macbook 2.2ghz (800mhz system bus) support 4gb of memory? If im right, the ones that only support up to 2gb of memory was the 667 system bus models (2.16ghz). 2.) is the 2.2ghz black macbook the one with the penryn processor? or is that the 2.4 models. Thanks!