Amazon’s web services business has sparked a number of business opportunities. Using EC2 and S3 is not especially easy for a beginner, but scalable web architectures aren’t a place for the weak hearted geek.
Enter Scalr. This is an open source project meant to make building a scalable, fault tolerant system on Amazon’s services easier.
If that is still too hard then take a look at scalr.net a service that for $50 a month will manage your scalr instance for you. (You still have to pay all the applicable Amazon charges.
All this comes to us from Intridea which also produces SocialSpring the platform behind Acts as Community.