My experience with my 2016 MBP is great. But sticking with your 2015 model is a good idea regardless. CPU speeds haven't really advanced since 2015, the screen

My experience with my 2016 MBP is great. But sticking with your 2015 model is a good idea regardless. CPU speeds haven't really advanced since 2015, the screen is basically the same, etc. The only thing is USB-C/Thunderbolt. I love it, but I probably wouldn't upgrade my laptop for that.