The New York Times used 100 Amazon EC2 instances and a Hadoop application to process 4TB of raw image TIFF data (stored in S3) into 1.1 million finished PDFs in the space of 24 hours at a computation cost of about $240 (not including bandwidth).

NY Times: Self-service, Prorated Super Computing Fun!

The project was so easy, and so cheap, that the developers ran the process a second time after noticing  a minute error. Just another example of how cloud computing is changing the game.