I'm going to eventually buy a reburb white Macbook and I am contemplating between the 2.1GHz and the 2.4. As far as the ram and hdd are concerned, I plan on putting a bigger drive in and upping the ram to 4gb, so the only difference left is the .3Ghz. The money saved by going with a 2.1 would just about cover the 4gb and a good 320GB HDD. My plans for this laptop are: surfing, some work in Windows (thus the ram), itunes, iweb, iphoto... no gaming planned, I'm just not a gamer. Will I really notice a difference of .3GHz? Both are the Penryn chip with Santa Rosa chipset, so it's purely the speed and not a difference in architecture. Thanks.