Ted, there are all kinds of aftermarket AC cords that come in different price ranges.
A few of the less expensive cables I haven't used but have enthusiasts behind them are the Magic Power Cord
http://signalcable.com/power_cables.html
The Absolute Power Cord by GTT
http://www.gttgroup.com/avframe.htm
Info on DIY cables at
http://www.audioasylum.com/audio/cab...ages/4226.html http://www.tnt-audio.com/clinica/diycables.html http://www.venhaus1.com/diymains.html
I'm not going so far as to wire everything with $300 AC cables. [ and $300 AC cables aren't even the expensive ones, folks. $2000 AC cords are some of the expensive ones. ] But I'll use better cables on the critical gear and then use some of the lesser expensive [ say $60 ] cords on some of the other components.
I have a slew of AC cables arriving over the next few weeks from many manufacturers. When the dust has cleared I'll have some reviews and articles.