I have the Apex inteconnect and Speaker cables they replaced SR Designers Rererence much more detail, tighter image, without any brightness or bloating, You can check out my system as well as a mini review by doing a search.
http://forum.audiogon.com/cgi-bin/fr.pl?fcabl&1188833182&read&keyw&zzapex
http://forum.audiogon.com/cgi-bin/fr.pl?fcabl&1188833182&read&keyw&zzapex