So you're looking at the following set ups with the same price tag. Both used and in mint condition. What would you do? 15" rMBP: 2,3 / 8GB Ram / 256GB SSD And 17" MBP: 2,2 i7 quad / 16GB Ram / 750 HDD + 256GB SSD in place of the SuperDrive. Last 17" ever built.