Looking to start reloading 20 GA shells as my son has really taken to the sport. Lack of shells has become a major problem, so trying to figure out what the options are... It appears the reloading equipment is like a shotgun, you can spend as much as you want. What is basic model to get...

Just got started reloading 12 gauge 1oz #8. Using Win AA grey hulls. Been using Win AA Super Handicap powder and producing shells @ 1200fps or so. I've heard from some folks that different powders can produce the same velocity yet minimize recoil? Anyone with experience care to shed some...