A quick note from the patcher:

All EverQuest Live Servers (except Al'Kabor) will be coming down on Wednesday, February 10, 2010 at 2:00 am PST (PST is -8 GMT: 3:00 am MST, 4:00 am CST, 5:00 am EST, 11:00 am GMT, 10:00 am CET) for a Game Update. The servers are estimated to be unavailable for 6 hours. Keep an eye on the EQ Players website and the forums for status updates and for news if additional downtime is needed.