According to sales data the PS4 Pro has boosted not only visuals up to 4K but has also boosted PS4 sales by 204%.
Ironic as Pro boosts power by, yes X2. MVC have seen sales data that shows sales tripling from Thursday.
We have the Pro and think the upgrade is well worth it even owning the old launch PS4. I've noticed every game looks better on my 4K Bravia.