The story I always tell:
Had a PS4 in early 2014 with a 1080p TV.
I wanted a PSVR on day one.
Loved the PSVR so I pre-ordered a PS4 Pro to make the VR even better.
Since I was getting a Pro I grabbed a 4K TV.
I still hop between both consoles and you can see the improvement but if you have one, you have the experience. Even at 4K, the jump to 1080p might be a let down. If you're OCD like me, go for it.