The groups thing looks to be interesting...
On the main member page there's a service status box which is something I don't remember seeing before...it tells you the status for the past 30 days.
September 19th, 2005
All services were unavailable for 240 minutes
September 12th, 2005
Email was unavailable for 15 minutes.
September 10th, 2005
Email was unavailable for 60 minutes.
September 7th, 2005
Email was unavailable for 30 minutes.
They're slowly but surely getting their code cleaned up. Still not 100% valid or semantic, but it's getting closer. I like that.