FWIW, you can have 2 cc2.8xlarge spot instances for about $0.50/hour. $12/day isn't nothing, but it's pretty affordable. Stick your data on an EBS instance atta

FWIW, you can have 2 cc2.8xlarge spot instances for about $0.50/hour. $12/day isn't nothing, but it's pretty affordable. Stick your data on an EBS instance attached to the spot so you keep your data if the spot instance gets nuked and you have a functioning cluster for around 13% of the on-demand price.