I am an Ekkie, enthusiast but do not yet have my own ekkie bird.
I do feed mostly raw to my flock. Pellets are offered very sparingly. This is because of kidney health with my little mutation parrotlets. If the bulk of your diet is raw the risk from pellets is greatly reduced. Pellets are good nutritional supplements and contain all vitamins. Hari is an option that some members of the parrot society go with. I also have vetafarm for some of my flock, but like you I am not convinced it is the best option.
Going raw does take a lot of commitment and you must be prepared for that. I prep fresh foods every single morning. They are offered sprouts daily. Every afternoon I clean the cage and all the dishes go through the dishwasher.
Variety is more important than quantity. Rich green veg is important: Silverbeet, Brussel sprouts, beans, broccoli, the list goes on. Fruits And veg rich in vitamin a: mango, carrot, passion fruit,