I have a question about the speed of the old model. I am considering buying a refurb but have one question. I currently have a 2008 white MacBook 2.1ghz C2D with 4gb of RAM and as the specs of the base 11" are 1.4ghz and 2gb of RAM that would seem significantly slower. I was wondering how much of a difference the SSD makes and how fast this machine is in the real world. So if you have one let me know. Thanks.