I have a Silver(pure silver wire) Delta powercord I bought used here. It's plugged into my Jadis integrated(my CD player doesn't have a detachable cord). Improvement is definitely noticeable. I have read hear that it makes more difference on the source, so when I get a new player look out! If that's the case, the cord must be very good to make such a difference on my amp. But, here's a DIY. Go to homegrown audio and buy 5-9's 22 gauge silver wire w/teflon insulation for $1.80/foot(if you buy 50+ feet, $2.80/foot if you buy less than 50 feet). Buy 72 feet of this, and divide it up to braid a 6 foot powercord(figure hot, neutral, & ground). Cost will be $130. Now go out and buy REALLY good high-end plugs. For about $200, I think we'd have a worldbeater. Perhaps others can offer opinions on this.
Power Cord Advice
I have the following amps in my system, Acurus A250, A200, and A150. Would I realize a noticeable improvement in sound and dynamics with higher quality power cords. Also do other components in my system need upgraded power cords or just the amps. Thank you so much for your help. Rick