I have an original one, not a reissue. It has two outputs for stereo. Only two knobs to play with and that's all it really needs. It'll get you the sounds from the 80's you remember. Like Message in a Bottle, A Forest by the Cure, that early Zakk Wylde tone. If put a wide enough sweep in it, it will even do something that sounds like a flanger.
I don't use chorus that often but when I do, the CS-9 delivers. I also used in the intro of my Warpig demo.