As a user, today has been particularly rough -- about 3/4 of the times I've tried to do something, I've gotten:

Internal Server Error Apologies but the website is unavailable at the moment.

or

503 Service Unavailable No server is available to handle this request.

or a partial load (content but styling messed up). The problem sometime clears up with just another reload of the page, sometimes it takes a while before the system will give anything different.

And, as previously, Notify services aren't notifying, so nothing is going outbound to other servers/nodes.