The Siltech (G6) is a very expensive cable. As you know it works best in a top shelf system (like yours). If you are looking to get 98% performance of the Siltech at 1/10 the price, the Pure Note Paragon is the one to consider. Read the recent threads in this forum about Pure Note vs. Siltech.
http://www.purenote.com
http://www.purenote.com