Stu is retired to Florida, but makes these in his shop, and is selling them for the wholesale price he use to charge dealers. The Cable Company use to sell all of Stu's cables. The Black speaker cables actually have a totally separate cable for + and - terminals. They are popular with electrostatic speakers, so should be very transparent.
On interconnects for about $30 more than the Black, I recommend Stu's Grey version. The Grey version use to be recemmended by Wadia and Stereophile. Wadia use to include one with their DACs for use as a digital cable. The Black interconnect has a nice write up online at Soundstage, who felt it was one of the best cables under $100 (old retail price); as good and more neutral than the Kimber PBJ. The Grey has better resolution and clarity than the Black. Stu makes a couple nice power cords also, that were recommended by Electrocompaniet and once sold under their label.