Power Cords for VAC 140/140 or 70/70 tube amps


I am looking to upgrade power cords on my VAC Renaissance 140/140 monoblocks.

Does anyone owning or using VAC's 300-B tube-based amps (the 140/140, the 70/70, the 30/30 or the 30/70) have any tips? I want something with excellent current delivery and that will not throw off the basic voicing of the amps.

Thank you in advance.
raquel
I also tried the Power 3 mentioned above on my 30/30 Signature... It gave me a stronger bass and fuller lower midrange, but rolled off the extension on the highs considerably in my system. If you are looking for a cord that does not change the tonal "balance" much, but gives you a dramatic improvement, try the Elrod EPS3. It gave me a LOT more transient speed and overall clarity/detail, without any "heavyness", colorations, or roll-off. I tried all of the V.D. cables except for the Nite, and they all gave me a stronger bass, and as I upgraded to the top of the line they sounded a bit better, but each did something to the upper mids or highs that annoyed me with this amp. Hope this helps...
I have great results using Cardas big power cords for the 140 mono blocs. Khai Do
I have the 70/70 III and I just bought 2 Elrod EPS-3 Signatures for it and it is absolutely amazing what they have done for that amp. I cannot recommend them highly enough! I have tried quite a few expensive, popular cords with the amp in the last month and nothing touched the Elrods....In fact, after hearing what they did for the amp I went ahead and bought the EPS-2 Signature for the Cary 306/200 which I run direct into the VAC and it is just unbelievable how those cords have improved my system. The rest of the system is AP Virgo III running Shunyata cabling and all running into a P1000 AC regenerator.