Is the Surface Laptop's 512GB SSD worth the extra cost?

[Windows Central]

Just how much faster is the 512GB SSD found in the Surface Laptop over the 256GB version and why are they different? Let's talk about performance versus reality.
The Surface Laptop with a Core i5 processor and 256GB solid-state drive (SSD) for storage was the most widely reviewed model across the tech press. I followed up our in-depth review with a look at how the Core i7 variant with Iris Plus graphics improved upon the experience.
Starting on June 30, the top of the line 512GB Core i7 model with 16GB of RAM became available in select markets. The question many had was if that larger SSD was any better than the 256GB version.

Full story from the WindowsCentral blog...