This was just posted, can't edit the URL: <a href="http://status.linode.com/2011/05/outage-in-fremont-facility.html" rel="nofollow">http://status.linode.com/2011/05/outage-in-fremont-facility....</a>
It seems that the issue may be Hurricane Electric. They appear to have completely disappeared from the Internet. Nothing like a global backbone taking a siesta from providing network service.