I've also changed over to the Kaplan Cables. Here's a review I did of a few different popular power cables and my impressions of each on both my amp and source components:
http://www.audiocircle.com/circles/index.php?topic=50799.0
Good luck,
Bob
http://www.audiocircle.com/circles/index.php?topic=50799.0
Good luck,
Bob