> I have a beloved 2015 MBP that I'm trying to keep alive, but it's becoming a little underpowered The new 2017 models don't have much more horsepower. They ju

> I have a beloved 2015 MBP that I'm trying to keep alive, but it's becoming a little underpowered The new 2017 models don't have much more horsepower. They just have a worse keyboard and a touch strip.