These XLO References are excellent 12 AWG cords, well shielded, good Hubbell connectors etc. Not "floppy" flexible, but bend easily and won't pull your equipment off the rack:
http://cls.audiogon.com/cgi-bin/cls.pl?cablpowr&1151333032
This guy has only one. I'll sell you two for $150 if you want.
http://cls.audiogon.com/cgi-bin/cls.pl?cablpowr&1151333032
This guy has only one. I'll sell you two for $150 if you want.