EC2 has an auto pilot option, but if I remember correctly it's more targeted for multiple instances, no auto scaling up or down only scaling out.
Developers need to focus on developing, it's always nice to have a developer who can also do the ops part, but I think no one will miss doing the plumbing work if they don't have to.
p.s. I would add a tweet button, this is tweet worthy and you should make it easier on people to both follow and spread the word
Few minor glitches:
- SSL mixed content warning on /how and /about
- / is different than /home (pricing link)
- logo redirects to /home instead of /