Gamasutra have a wide-ranging interview with Bill Roper, the juciest portion of which talks about how Hellgate: London went wrong. He says: "It still eventually comes down to dollars and cents and time. I mean, I think when Hellgate: London came out... we knew it needed another four to six months. The publishers knew it needed another four to six months. Everybody was all in. That was kind of the mindset.". And much more. Go read.
Mythos, Flagship's other project, is now in beta.