IMO.....
Many of the members here are buyers, and in that respect, some may not post appraisals for certain reasons:
They may like the name, and want to acquire it, therefore not giving an appraisal or a low value appraisal in hopes of buying at low pricing.
Some may not post because they don't want to "go against the grain" in a thread with has seen good marks or has poor evaluations, and their opinion may be contrary to the concensus.
Others perhaps don't feel comfortable or have the communicative
abilities to express their thoughts.
Some people just don't like the thread starter.....
Some people post the same names over and over.....
Some names, like previously mentioned "file.net" or "Mp3.com" are a safe bet to make a post by those who want to be a part of the crowd, (Although not taking anything away from the names mentioned)
Those that routinely give appraisals of domain names, make up a total part,of the value of DNF.
I would like to see more appraisals given by the administrators of DNF,these are the only people at DNF who I feel have an obligation to this forum. No other person is obligated,however in the spirit of "community", we should all be more willing to contribute, to any threads including the "Appraisal Forum"