Today Amazon announced Redshift a data warehouse service based on PostgreSQL:

Amazon Redshift
Amazon Redshift is a fast and powerful, fully managed, petabyte-scale data warehouse service in the cloud. Redshift offers you fast query performance when analyzing virtually any size data set using the same SQL-based tools and business intelligence applications you use today. With a few clicks in the AWS Management Console, you can launch a Redshift cluster, starting with a few hundred gigabytes of data and scaling to a petabyte or more, for under $1,000 per terabyte per year.

Amazon Redshift is designed for developers or businesses that require the full features and capabilities of a relational data warehouse. It is certified by Jaspersoft and MicroStrategy, with additional business intelligence tools coming soon.

To learn more and sign up for an invitation to the limited preview, please visit the Amazon Redshift detail page.