I would highly recommend auditioning the Revelation Audio Labs silver interconnects and speaker cable with the Ref9's. I have wired our primary demo system with these cables and the results have been phenomenal.
I currently have a Stealth Indra interconnect hear that I am using to evaluate the interconnect cables against and I prefer the sound of the Revealtion Audio Labs cable. The Indra to my ears and several other people that have sat in and tried the comparison is that the Indra is a little warmer but at the expense of clarity, detail, definition and overall presentation. The Revelations take you much deeper into the music, you hear more things effortlessly. They are sligtly more forward but they do not come across as harsh or bright as you would expect from some silver cables.
I'm having a hard time believing my own ears as my expectations where that the $5000+ Indra was going to blow these cables away but that's just not the case. I highly recommend calling Brad and doing your own evaluation. They certainly make the Ref9's sound spectacular.
The current demo/testing configuration is bi-amped ref9's driving SP Technology Loudspeaker Continuum AD speakers using a Modwright SWL9.0 SE linestage and a Modwright Denon 3910 Universal player with the Ultimate Truth Mods. I have also used the Stello 2000 CD transport and DAC in the evaluations and tested using ACI's new Sapphire XL speakers. Power cables are from Virtual Dynamics with Power 3's driving the Ref9's and the source equipment and a David power cable on the preamp. The results with all configurations are the same, superb sound!
If you auditon these cables and get the same synergy and magic that I have, your system should be elevated to another level of enjoyment. Highly recommended with the Ref9's!
http://www.revelationaudiolabs.com