I never understood why accounts go for so much, esp when there are barely quality signature campaigns.
the campaigns that are open pay a lot when you figure how much they pay per post. So you can earn a good amount for doing very little work. Plus most campaigns are only open to senior accounts and higher.
There are hardly any pay per post campaigns now. Usually there are fixed pay campaigns which pay around 0.1 BTC a month on average, but there is a long waiting list to get in.
All these reflects in the price, Sr. Member accounts struggle to get 0.15 BTC these days. I think a few months back they were easily pulling in 0.4-0.5 BTC. I thing PrimeDice is to blame for collapsing the signature campaign market. Add to that a lot of users getting promoted, and there is a huge supply of high ranked accounts.
Out of curiousity, what is the price at which Hero Members are going these days? It was above 1 BTC, but I would assume it would be much lesser now.