In a simultaneous announcement Amazon have announced that Windows and SQL Server images are now available on EC2 - pricing for Amazon EC2 running Windows 2003 Server begins at $0.125 per compute hour (see below). Amazon are also supporting SQL Server Express and Standard editions on EC2. The only restriction is that all instances must be in the same availability zone - read details at: http://aws.amazon.com/windows/.
Pricing comparisons are below - so now there's a benchmark: Windows costs between 25-40% over Linux to provision!
|Small (Default)||$0.10 per hour||$0.125 per hour|
|Large||$0.40 per hour||$0.50 per hour|
|Extra Large||$0.80 per hour||$1.00 per hour|
|High CPU Instances||Linux/UNIX||Windows|
|Medium||$0.20 per hour||$0.30 per hour|
|Extra Large||$0.80 per hour||$1.20 per hour|