[AlbertoGP]

The one guy I know about is actually from Spain, although he does sell worldwide both through his own shop and through eBay: http://www.casio880.com/en/product/interface-cable-for-calcu... https://www.ebay.de/usr/javitopo

I'm still deciding whether to buy it from him or build my own following this guide: http://blog.damnsoft.org/rs232-ttl-adapter-for-vintage-fx-ca...