If you are a student, Bestbuy and the Apple store will both give you a sweet discount.
(I didn't have a student ID with me, and BB accepted my confirmation email of enrollment.)
Do you really care if it's a retina vs non retina display?
If not, go non retina, and don't pay for the upgrade. Buy the SSD yourself, and install it yourself, or pay GeekSquad to do it for you (around $50, I think?)
You can buy a 500GB SSD for $250,
here: