Just had the same dilemma. I ended up ordering a new Macbook and a 320 GB 7200 RPM Western Digital Scorpio Black from a different retailer. Ever since my MacBook (Black) experienced the fatal Seagate hard drive crash, I have been using the WD Scorpio drive -- it's fantastic! Fast, super quiet and energy efficient. If one is really worried about the impact on battery life, they could look to WD's "Green" drives...