At the same time, Aptana is trying to define an “Ajax server” with todays release of Jaxer. At first glimpse you can see some of the other frameworks, but it certainly is doing a lot more.
Michael hits on one of the key points when he talks about deployment:
I want to be able to hit “DEPLOY” or “PUBLISH” and have that be the only way I interact with production applications from now on (with the ability to roll back and scale out). When someone nails that, we will see a lot of applications coming out.