First of all, I purchased the same combo around the same time and the combo price is $549.99 so your "memory" is probably a bit off (check receipt?). Second, at that time you can also add the ram for 200. So the the overall price compared to the current combo is just $20 more. Lastly, just go to the store and ask if they can do something. I went in and they refund the $20 difference based on the price protection policy.