To chowkwan:
No, you are the first to put forward the Crane Song DAC. So much of what is reviewed, esp. professionally, will focus on larger manufacturers and mainstream usage. Small independent companies with long wait times to order will always fall below. But if the Crane DAC is as good as you say--comparing it with a $70k Nagra--it should be splashing all over the audiophile forums. I couldn't quickly find any thorough reviews on it or comparisons with other DACs. But this thread may generate fresh buzz. Thanks for bringing this to the table.