I'd throw support in for the Ender 3. I've recommended them to 3 people now and they all love them. The V2 has better electronics than the pro but I'd go for a pro and use the saved cash to swap out for RRF. Probably a D3 mini, albeit it does end up more than a V2 that way.
If you then wanted a true budget conversion to RRF I hear good things about the Fly E3 / pro.
https://teamgloomy.github.io/ender_3_conversion.html
Personally I intend to eventually move everything I have 3d printer / CNC wise over to RRF. I'm putting a Fly E3 in my k40 laser ATM as I already had the stepper driver modules and wanted to give it a try. However everything else will get a genuine D3 mini. My CNC mill and Lathe will get a D3 mini, 1HCL drivers and linear axis feedback assuming the beta goes well.
Good luck with your purchase and welcome to the rabbit hole... 🙂