You might also find the Pi 400 an attractive option, the CPU is a bit faster but currently the RAM is 4GB (only). However, if you’re only planning on using it for RetroPie, 2GB is plenty. If you plan on using your Raspberry Pi 4 as a Linux desktop and RetroPie on occasion, a 4/8GB Pi 4 may be ideal. I’ll expand on each of these in a later video but for now wanted to help try to answer them:
Light Gun Support with Mayflash DolphinBar & Wii Remote.Recalbox 7.2.x RELOADED with Lightgun support on the Raspberry Pi 4.Kits with SNES-Style Controllers & NES-Style case.Kits with SNES-Style Controllers & case.