Great looking theme! and it is also VERY functional!! GREAT job!
Take these suggestions for what they are, just suggestions.
What I would do, and I don't since I do not know how to create themes,

would be the following;
Swap the Calendar and Mail positions. More mail comes in than calendar events change and the bottom position is more convenient to press.
Change the blue color! This is VERY bright in my opinion and there is nothing wrong with the plain old white for the calendar and other menus.
I love, and only use, a hidden today theme so good going on this one. However, if you wanted to make a WB and MeterBerry version, I would take out 4 of the calendar events, leaving 6.
Great job on the skinning. And you are right. The theme DOES transition very nicely.
I look forward to seeing what the final product looks like.