Rich, if you're willing to consider the cost of the Silversmith cables, I encourage you to try the Omega Mikro Planar IV Silver LCX cables in your system. I use them with my Avalon Eidolons and Atma-Sphere MA-2s and find them to be an excellent match for that combination. These cables simply are astounding in their neutrality and transparency.
If you work through Walker Audio, you can try them in your system with no risk. If you're not completely satisfied, return them to Walker Audio in original condition within 30 days for a full refund of your purchase price.
http://www.walkeraudio.com/omega_mikro_cables.htm
Given your choice of Avalon and OTL amplifiers, I can't imagine you ever sending back the Omega Mikro cables once you've tried them.
If you work through Walker Audio, you can try them in your system with no risk. If you're not completely satisfied, return them to Walker Audio in original condition within 30 days for a full refund of your purchase price.
http://www.walkeraudio.com/omega_mikro_cables.htm
Given your choice of Avalon and OTL amplifiers, I can't imagine you ever sending back the Omega Mikro cables once you've tried them.