As a home computer for my wife, is buying this and upgrading the ram and hard drive to an SSD a good option:
http://www.microcenter.com/product/382948/Macbook_MC207LL-A_133_Laptop_Computer_Pre-Owned_-_White
http://www.microcenter.com/product/382948/Macbook_MC207LL-A_133_Laptop_Computer_Pre-Owned_-_White