Soundwave on 23 November 2016
So basically
$249.99 - Switch w/o game, 32GB storage
$299.99 - Switch w/Splatoon 1.5, 64GB storage
I really honestly don't see the $250 model selling much. Like the Wii U Basic Set and XBox 360 Core (Tard) Pak, no one is going to bother with the lower end SKU.
So the price is really $299.99.
