Do powercords make a difference in sound?

I have 3 Transparent ref. powerlink's mm2, and short answer...yes. The source and pre-amp had HUGE improvements in dynamics. Improvements on the amp was VERY disappointing, it did remove some haze and improve the sound a little but not sure worth it. oh well.

By all accounts PCs are largely component specific. While I have tried my hand at them with various items in my stereo, they have yet to make a particularly meaningful improvement. If you pose a more specific question, people with the same electronics as you may have a PC brand/model suggestion.

Hi guys!!!
I'm still here too (Or should I say "Hearing" too).
No one wants to kick a sleeping junkyard dog so we're not going to run with this again but you've already heard good advice: dial in your components with each other first; become very familiar with what it sounds like with stock cords and then, if you want to open up a new avenue of tweaking the sound you can start playing with aftermarket powercords.
Check out all the related threads for much more "vigorous discussion" on this...because you're playing with matches at the gas station right now.
All I will say is trust your own ears and NO ONE ELSE'S opinion via these forums (on this particular topic).
Good luck and happy Lissn'n

If in doubt, try it out! These have a 30 day, money back, satisfaction guarantee: (http://www.musicdirect.com/p-9670-shunyata-venom-3-power-cable.aspx) If you can't hear a difference, between them and your stock cords; count your blessings! You stand to save a lot of money, on upgrades, down the road.