Umm … this is uncool:
When I need to adjust my ads, I need to adjust my ads![ update ]
Just got in now (a few minutes later). See this notice once you log in:
On December 16, 2005, the AdWords system will be unavailable from approximately 8 p.m. to 2 a.m. PST [?] due to system maintenance. Please note that your campaigns will continue to run normally during this short downtime. We apologize for any inconvenience.