After lurking around here for too long I thought I'd make a contribution myself and post my recent Saturn 60hz mod tutorial "made simple". It involves soldering 2 wires to 2 solder pads onto a switch. The solder pads can be found by simply removing the battery compartment door.
Basically I used the instructions posted on French fansite Segakore to install a 50/60 hz switch on my European (pal) model 2 (round buttoned) Saturn. I know there's lots of tutorials out there explaining how to install a 60hz switch on your Saturn, but the method explained on Segakore is much more simple and nearly risk free (I guess you could still burn your fingers soldering :icon_bigg).
You can perform this mod on the more recent version of a model 1 pal Saturn, depending on the motherboard, but this specific mod is intended for model 2.
To make it troublefree I made a photo tutorial with full instructions. You can find it on the "mod/repair" page of my website. Lemme know what you think.
Mod url: http://www.retrocorner.net/index.php...witch_-_page_1