My fiance just order the new Black MB 2.4 late last night with her educational discount. She is a music teacher and will be using it for music, internet, school work. She has been using a old HP Pavilion ze 4300 (15") as her main computer but she is now ready to switch to a Mac. My question is, would it been smarter if she had purchased a refurbished 2.4ghz MBP for $1,649. or stay with the 2.4 Black MB for 1,399. (educational discount)?