I know there's beena recent upgrade to the Kaplan cables to a Mk II status. It's supposed to make a significant improvement on an already very, very good power cord.
There was a recent review on Positive Feedback.
http://www.positive-feedback.com/Issue52/kaplan.htm
There was a recent review on Positive Feedback.
http://www.positive-feedback.com/Issue52/kaplan.htm