Hi,
I think you should have also had a look a Servoy.

>I've created a new blog entry about the choice of development stack myself, Thomas Ganss, and Frank Camp will begin work on next month. It's less about the details than it is about making the choice. You can read it here: http://blog.prosysplus.com/2011/12/swimming-with-current.html
>
>I'll be providing more details as we go along.