I don't know what you want. I would really like the dreamhost team to work on the issue then telling us actually why it is down. Have you ever worked on an IT staff?
I submitted a ticket and got a reply within 20 minutes about the issue they where having. All of my clients websites where down. So this was a major issue for me. However, dreamhost handled this with great care and in a timely manner. They even told me a timeframe they will be back up.
Also, If you want to know the odds of the next outage? HAHAHAHAHAHAHAHA. sorry man, that is just funny. What are the odds of another D.O.S attack? hmmm, if you can figure that out, You would have a nice paid job at any IT place you want.