I had my DNA-1 Deluxe amp upgraded to Revision A Gold status about two months ago. I can't give you a comparison, but I can say that the change in the amp is absolutely incredible. In addition to any help that you might get from the good people here, I would suggest that you give Steve McCormack a call at SMc Audio. The web site is www.smcaudio.com. I found both Steve and his assistant Kris Jeter a real pleasure to work with and they were extremely helpful to me when I was going through the decision process. My guess is that an upgrade would significantly outperform the newer models. Best of luck to you.
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