I am building a similar PC. My intended use is also similar. These are the parts I've ordered:
CPU - ryzen 5 7600
RAM - G.Skill flare x5 6000 mhz cl36 2x16GB
Mobo - Asrock b650m hdv/m2
PSU - Deepcool PM750D
CPU cooler - ak400
Storage - WD SN580 1 TB
Case - MSI MAG 120A airflow
For GPU, I am...