ricco275,
In my opinion, based on my experience, cables are system dependent. In my system I continually hear the largest difference between power cords. I recently had a home audition of Nordost try2, Shunyata Sigma, and Infigo Audio Signature power cords. I compared them to my Clarity Audio Vortex power cords. They all sound very different...the Sigma's are less detailed than all of the others, Infigo power cords push the soundstage back too much, the Vortex are very close to the Nordost, but in my system the tyr2 is slightly more detailed(without being bright) and has a very good soundstage. My wife definitely prefers the Nordost over every power cord that I've tried so far. I do plan on listening to Purist Audio and the Nordost Valhalla before I make a decision. Try to listen to cables in your system and let your own ears decide.