The electrostatic discharge occurs when you use the laptop and have it plugged in at the same time. It was very apparent as I was migrating from the old to the new Macbook. Old 2014 Macbook had a barely felt electric current while plugged in, the new one it was much stronger, near distracting. If you need to work with these while they are plugged in, check it out in the stores first to see if the discharge is too much for you.
Be sure to keep a budget to buy new cables for everything if coming from older devices. Apple adaptor cables are not cheap and even your iphone won't plug in to it without adaptor. You'll probably need at least a cable for USB and a cable for video. Maybe another for Ethernet if that is your thing.
You might want to get the 512GB or larger hard drive. The new TV app does not make it easy to buy or download SD versions of videos. If you use iTunes most everything is HD only at HD prices.…più