Rohit Gupta, Jon Lebkowsky, and Dina Mehta at the Worldchanging.com… blog have just published a roundup of first-person accounts, aid site urls, and news reports related to the tsunami disaster in Asia. They say this post will be updated regularly, so you can bookmark and return for fresh info as it comes.
Link. Joe Gandelman posts another comprehensive roundup here, on his “Moderate Voice” blog: Link.
Wikipedia is also maintaining coverage in a richly linked, well-organized web page with ongoing updates. Link. And Wikipedia Commons offers related media (photos, data animations, and the like): Link (Thanks, Nick Douglas)