As you have probably noticed we have been experiencing some server issues today. It could be an attack, or it could be a conflict with the new version of WordPress and some of the plugins we have installed.
New that I am home I will try to isolate the problem.
UPDATE: So far things are good again. All plugins were deactivated and the server was nice and calm. Adding a few key plugins back… but most will remain off so we can troubleshoot over the next few days… gradually adding more…