Last night I spec'd a PC from PCSpecialist in the UK, not the cheapest option but they come recommended, I wanted to pick & choose all components. With 5000 series cars on the horizon I spec'd a 4070 Super as a placeholder.
Total price...£2,800-00!
I have seen pre-built 4070 systems for around £1,200-00 but with lots of shortcuts on certain components. If I ever get back into PC gaming it will be with a 5000 series card...and probably late next year as prices stabilise. I don't think a 4070 will be a great option 3-4 years down the line unless you enjoying tweaking settings. I'd rather let the devs do that with PS5 Pro.