I am sure many of you have run into this problem.  I have 7 game system, a PS2, PS1, X-Box, NES, N64, Genesis, and a Saturn.  I have the PS2, PS1, X-box, and N64 on s-video cables as well as my digital cable and dvd.  I have a pelican switch box that I use but I still have to switch cables in it the back of it for certain systems.  Does anyone know if they make a s-video cable with ends for different systems but all go to one s-video cable?  I ordered a mad catz universal cable from kb toys for 2.99 to try, but I don't know if that will do it.  Or does anyone know any inexpensive selector with like 9 inputs?  Last but not least does anyone know how to put s-video ends on the av cables I have for my NES, Genesis 2, and Saturn?   
Thanks in advance for all the help you guys will give me:)
John