I am so glad I saw this. I am literally starting school Monday, and I have my iMac for sale on eBay. I was going to take the $750ish NET I'll likely clear and buy a 2012 MBA out of the Apple Refurb store for $799. But for $900 @ Best Buy... I am going for the cMBP instead! Better deal!
Not really.
Shorter battery life, bigger, heavier etc.
You do get a CD slot for all those CDs that people still rip...