Oxfam is a great place to donate for tsunami relief.
From MoveOn.org: "Oxfam is already scrambling on the front lines to fight off starvation and disease -- and beginning to rebuild. Because Oxfam has worked for years with grassroots groups in the hardest hit areas, they were able to mobilize local leadership to help survivors immediately after the tsunami hit. And Oxfam will be there for the long-term, helping communities recover and regain their ability to meet basic needs. Oxfam needs to raise $5 million immediately to provide safe water, sanitation, food, shelter, and clothing to 36,000 families in Indonesia, Sri Lanka, and India. Your contribution can make this possible."