I'm sure it's been asked or debated before, but I am seriously on the fence. I have the new Late 2013 rMBP now without dedicated GPU (2.0Ghz, 8GB RAM, 256GB SSD) for $1839 (discounted pricing) or I can go with the refurbished Mid 2012 rMBP with 2.3GHz, 8GB RAM, 256GB SSD WITH dedicated GPU for $1599 from Apple directly. Any thoughts, etc? Thanks!!!