Rackspace Cloud Sites is down

Just discovered that my sites hosted with Rackspace on Cloud Sites are all down.

A live chat with Trey in support confirmed this, but he didn't have any more information :-( There is little / no information on the status page. He did say some other clusters were affected, but my sites couldn't be moved to a working cluster. So much for reliability!?

All my web sites on Cloud Sites are showing "Please come back later."

Argh!