In order to get your own NextDB server running you need register with Amazon Web Services:
http://aws.amazon.com/ec2/ (click 'Sign up for Amazon EC2")
To help new Amazon Web Services (AWS) customers get started in the cloud, AWS is introducing a new free usage tier. Beginning November 1, 2010 new AWS customers will be able to run a free Amazon EC2 Micro Instance for a year, while also leveraging a new free usage tier for Amazon S3, Amazon Elastic Block Store, Amazon Elastic Load Balancing, and AWS data transfer. AWS’s free usage tier can be used for anything you want to run in the cloud: launch new applications, test existing applications in the cloud, or simply gain hands-on experience with AWS. READ MORE...
We will be preparing an Amazon Machine Image (AMI) which is a fully configured OS running the NextDB web services and hosting the NextDB APIs and Admin console. All you will need to do is run the AMI instance and the NextDB service will start up and you can immediately log into the admin pages with the pre-configured account and then get working with NextDB building your apps.
please check back for updates on availability