Google has just released a layer for Google Earth which shows some data about the path of the cyclone in Myanmar, along with some maps to display the extent of the flooding. They were built by UNOSAT, an organization working to help the people of Myanmar.
Also, NASA has created a simple KML that shows a powerful satellite image of the storm as it was charging toward the coast.
Update, May 7: NASA has added an image showing the current aerial view of the country. Extensive flooding is quite visible. Get the file here.
Here are a few screenshots from the files: