i use 1.5 metre multicoloured 8 way jack to jack snakes that i bought from Turnkey in the UK (who are sadly no longer around.. boo!). ive also recently started using George L's 1/4 inch jack connectors on standard RG59 cable. they are expensive but super high quality, look great and they mate with the coax cable very securely, and seem to give a better video image. the multicoloured looms are good for patching up all the RGB signal paths to the converters from the synth and i also use it for the H/V sync signals. the george ls stuff i use for all the rest.
be seeing you