Don’t spend $4000 on the new Macbook Pro to replace your current Macbook Air. Something better will come out next year and you’ll want to buy that but you’ll feel bad for spending so much money on a new computer when you have a perfectly serviceable computer only a year old, rather than spending it on something more important, like donating it to Research to Cure Extremely Rare Diseases in Cute Puppies.
I would be able to afford it, though waiting a year might be a good idea to give software time to catch up with the retina display.
What I really want is a Thunderbolt docking station with a PCIe x16 2.1 slot large enough for a full-size GPU for my current Macbook Air.
Don’t spend $4000 on the new Macbook Pro to replace your current Macbook Air. Something better will come out next year and you’ll want to buy that but you’ll feel bad for spending so much money on a new computer when you have a perfectly serviceable computer only a year old, rather than spending it on something more important, like donating it to Research to Cure Extremely Rare Diseases in Cute Puppies.