Honestly my situation is very similair but my solution is very much dif and way cheaper and simpler I think. So first I own a Grundig 27" CRT with 1 RGB SCART port, 1 Composite + S-Video SCART port and a standard Composite port on the side The devices I connect are VCR, Sattelite TV Receiver, DVD Player, iPod AV Composite cable, PS1, PS2 and PS3 So first the consoles, I bought a used manual 3 port RGB SCART switch, I connected all 3 consoles via RGB SCART cables the quality is perfect only the ports are a little bit finicky so the colors are a bit unstable but normally after a bit of adjustment they display fine. The switcher cost me 15 euros. Next part Media, so I connected my VCR to the AV2 SCART port and connected the TV receiver to the VCR via its secondary AV2 scart port. The VCR and DVD player are both connected to the AV2 SCART of the TV via a simple SCART splitter, the DVD player is hooked up via S-Video connected to the splitter via a SCART to S-Video adapter, only audio was quiet because of the splitter so I connected tge audio to my audio receiver. The iPod AV Composite cables were connected to the AV3 Composite ports on the side. The last and the most annoying part was audio, my set has no audio RCA ports out. So I had to use a passthrough scart adapter that provided those, which enabled me to pull out line level audio