I saw those on Agon too - they looked interesting. I'd take the chance if you have the $. You can always move them later for same $ I bet. I thought about it but already have an XA7ES and am looking for an SCD-1. Overall, the sony high-end statement products like this, SCD-1, XA7ES, etc. are built very well. Despite the DAC being not the "latest flavor in favor" or whatever it probably still sounds quite good.
As an aside, the really rare and exotic sony dac/transport setup to have is the R10 series, even better and more over the top than the R1, extremely rare, sold for about 5X the price of the R1, not even sure if it was ever officially imported into USA. (I think not).
-Ed