Our hearts go out to all of those that are affected by Hurricane Katrina in any way.
MSN and Microsoft have been doing a number of things to try and help and we hope you will find these resources useful:
MSN Donate: The RedCross site has been experiencing extremely high traffic. In order to help mitigate these issues MSN has set up a site to take donations: https://donate.msn.com/.
MSNBC: has around the clock news of the latest events around Hurricane Katrina
Microsoft.com: Some great links on how you can help in the relief effort.