I'll be lucky enough to be in the Masai Mara very soon and will be experiencing this wilderness spectacle for myself. I hope to get some great shots, as well as video, and will be posting them here live from the Mara.
A semi-animated map of the migration can be found here; you can click on each month to see the herd's route:
This site has a fully animated map showing the animals as they move:
For more updates on The Great Migration of 2012, please check back here in the coming weeks. I'll do my best to provide some entertainment along with viewing of the migration and the assorted array of animals that I encounter out in the bush.