First of all - really like the Neptune theme - just what I'm looking for.
To my amazement - this nearly worked 100% with my app - which is quite a large application.
A couple of issues I noticed:-
The LoadMask function keeps failing for me - typically when I'm making an Ajax call I like to use the loadmask. I get messages about
owner = owner.up('[floating]');
failing in LoadMask.js
I also noticed that icons in menus overlap the text, ie the text is not shifted right in the menu when the icon is shown.
Great job though