http://www.sonicstate.com/synth/yamaha_cs1x.html some user reviews. http://www.weihenstephan.org/~markdoli/cs1x/ Smaller site with patches and songs, but high quality; CS1x mailing list. http://cs1x.hypermart.net/ One of the biggest CS1x sites, with a large song archive and MP3s. http://flatone.com/cs1x/ Banks, patches, songs and utilities for the Yamaha CS1 synthesizers.