And don't forget to check with your employer. As Sun blogger Noel Franus points out, Sun Microsystems and other employers are matching employee donations.
This site is under what appears to be a DOS attack from 22.214.171.124. Of course, it could just be a script kiddie trying to write his first email address harvester. I've notified my ISP, his ISP, and added a quick and dirty IP ban filter.
CNN is reporting that the death toll is now > 20,000 and the US is sending $4,000,000. That's not enough. You can help by contributing here: American Red Cross - Credit Card Contribution.
Update: Reuters reports the US is pledging $15,000,000.