I have a 2010 MBP, non-retina, and am thinking about getting a new retina MBP. I will use it for common tasks such as safari, word, and excel. However, my main concern is using Logic X (or MainStage when I am live). I am currently using Logic 9, and have run into many computer overload messages, as my files tend to be complex (I write a lot of electronic music or pop with a lot of layers). In terms of specs, I am thinking about getting the model with 2.7/256SSD and the 16 gb upgrade, up from 8. My current machine runs a 2.4 Core 2 Duo/250 spinning drive and 4gb ram. Would an upgrade to a new machine be the best option, or would a ram and SSD upgrade to my current machine be better. I know that keeping my current machine (and having ram and SSD upgrades) would obviously be cheaper, but with an old processor, a 5-year old battery, and old ports, would it still be worth upgrading an older machine? Also, I know its just speculation at this point, but do you guys feel like the skylake machine will be a huge upgrade to the 2015 models? Thanks a lot!