This article from SciFi Wire is on the new relationship that Joss Whedon and Fox have formed. Featuring quotes from Whedon on why he is OK with Fox now, and quotes from Entertainment President Kevin Reilly on how lucky the network is to have Joss.
apparently it is scientifically possible to wipe up to ten minutes of someones memory and here's a interesting article about that, there may some slight dollhouse spoilers for those that have not even looked at screen caps or trailers
the dollhouse pilot echo is having some scenes reshot, this could be due to joss wanting a perfect pilot or the show being short of a few minutes due to the longer running time from shorter adverts