i have AV for all my systems accept Genesis and Colecovision
i cant believe you never hooked up SNES through AV before
im going to guess youve never done it with NES either.
well my SNES came from a thrift store and only had the RF adapter with it. I had it daisy chained with my Genesis and a game/tv switchbox that I'd use to swap out older systems like the Atari 2600 or Intellivision.
Same story on my Genesis. Although bought new back in 91 I only ever had the RF adapter. Since I've been collecting I've accumulated about 15 more Genesis consoles, several of each version and 5 Sega Master Systems. The most recent one I found had an AV cable with it. I never bothered to try it on my Genesis because as I said it was already hooked up on a chain.
the NES I've always used AV since I bought it in 1986.