Found this recently - http://www.cdinteractive.co.uk/forum/viewtopic.php?p=14325&sid=efdf8fd26c2f588bd10bc2f510ae25c6 (//http)
Already tried it and it works. You have to switch the console off to switch between the two though.
Thanks for sharing Vyo! Those pictures really show the difference.
In the States, speaking for myself, I tend to take for granted the difference in 50/60hz screens. I prefer basic RF, but having played games in 1080p, it helps me to understand the quest for the best possible picture.