i thought the question was why this thread has had so little activity. there have been no reviews of the fiio x7 and no reviews, just some quick impressions of pre-production questyle qp1 and qp1r's, but there is tremendous activity on those threads. whether that's productive or worth the time and energy is another matter. the hm901s is actually on the market, if i'm not mistaken. there are production units for sale, but not many people seem interested in talking about it. there's a sherlock holmes story in which the key to mystery is deduced from the fact that a dog did not bark. the question raised, as i understood it, is why no one is interested in talking about it. i'd be curious to know how many units are actually being purchased. i.e. does this thread's relative silence means no one is buying it, or just that there's little to talk about because, i speculate, it sounds like its predecessor.