August 28-29 incident:
Some orders and payments from around 28 August are still being restored — read the incident report, or contact support if something of yours is missing. You will be asked to choose a new password at your next sign-in.
By pure accident, I heard about sedo.com today. I've never heard of it before this day and as I'm not into all this buying & selling domains or sites, I've never used flippa either, but flippa is the only marketplace...