Pretty cool all around, but it needs a lot more stability work. It crashed a few times just scrolling around in some of my python projects, and there are quirks such as complaining "This font can not be used in this editor" if I open the font selector and then click "Cancel".
Also, changing the margin line doesn't seem to take effect unless you quit and restart the IDE.
Also, changing the margin line doesn't seem to take effect unless you quit and restart the IDE.