I am going to buy a new MacBook Pro 15" touchbar with highest specs but I'm undecided about the SSD size. How important would it be to have 1 or 2 TB SSD (rather than the base 512GB) as opposed to getting an external hard drive? The price premium for a student is 1K for the 2TB and about $400 for the 1TB. I plan on keeping the laptop for 4 years at least. I will be doing video editing (Adobe) and programming. Can anyone recommend a good external SSD drive ? Would I end up spending almost as much for it as the larger Mac hard drive. I know Apple hard drives are more expensive than other alternatives, right?