I mentioned this information in our stick post about XAML editors and in the unity forums.

Will there be support for the express version of blend coming ? I had the same issue as the original author. It would be nice to know we can use the best editor without some sort of workaround with trial versions.

Hi,

We have plans for that, although the best option right now is using the Blend that comes with the trial of Visual Studio. It is the best tool right now and it supports WPF (the best fit to noesisGUI).

It seems that Microsoft is now pushing what they call Standard XAML to avoid fragmentation. I suppose we will see a tool supporting this very soon.