I have a 2012 model (8GB and Core i7), about 5 years old now, and it's still going strong. I've been thinking of upgrading to a MBP, but, I actually might get a

I have a 2012 model (8GB and Core i7), about 5 years old now, and it's still going strong. I've been thinking of upgrading to a MBP, but, I actually might get another Air again. Maybe? I mostly use it for mobile, web and backend development.