Has anyone heard the SimAudio 650D?

About 6 months ago Michael Fremer reviewed the 650D in Stereophile and apparently preferred it to his Playback Designs player. Yet the 650D is placed in the B category in Stereophile's most recent rankings, while the Playback Designs is in the A listings. Very strange....has anyone heard the 650D and compared it to some of the elite players?
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Have used my 650D for 6 or 7 years now. Previously ran a Simaudio Nova cdp for about 10 yrs. The 650D blew away the Nova. Not even close.