I asked Exegesis48, one of the MacRumors users, whether I could upgrade my hard drive to 320GB. He had some really helpful suggestions, but I still have a few more questions, so I figured I'd it up to the entire MacRumors community for some different points of view. I am thinking about getting this hard drive at Newegg.com. Will it definitely be compatible with my Rev. B MBP? Will it be slower or faster than the standard 100GB 7200 rpm drive that came with my MBP? Will I be able to transfer all of my data from my old HD? Any help is much appreciated. And thanks to Exegesis48 for helping thus far.