Power plant and power cords upgrades a real wow?

Onhyway, your comment is apt. This is exactly why I said, " I don't think you can generalize on this stuff." My comments were intended to be a guide to an approach, as well as an account of my own experiences. This is really a tough area to give good advice. It is really a trial and error thing, because one doesn't always no if one has a problem that can be mitigated by a particular piece of equipment.

Leherepkai is dead right with the above comments. The challenge is that you don't know what your weakest link is. In my system, the biggest change I got was replacing my duplexes with Audio Magic duplexes. It made a huge--not subtle improvement with a $135.00 investment. Another person may do the same thing and hear little or no difference. The next most impressive improvement was installing a $500 Audio Magic Blue dot, which removes noise from the grounds. I have tried a few PCs and found the differences to be generally subtle. I just don't think you can generalize on this stuff. My advice is to start with things that are fairly inexpensive. That way, you don't put $4000 into new PCs only to find they make no difference. I can tell you that I would never spend a lot of money on a PC I couldn't return for full credit.