check_ec2_spot_price

Checks the current Amazon EC2 spot price for a given instance type and sends an alert if the price is outside the specified limits.

Implemented in Python; requires the [Amazon EC2 command line tools](http://developer.amazonwebservices.com/connect/entry.jspa?externalID=351&categoryID=251">Amazon EC2 command line tools&)

If you'd like to change anything, grab the code from GitHub and send me a pull request.