Rethinking the Front Facade

This is what the front of the house currently looks like.  We plan to add a two story addition approximately 10 feet to the south (left in picture).  Plus a single story sunroom or screened in porch.  I'm not overly fond of the appearance of the upper windows.  The very flat appearance and the blank white space above the windows looks awkward to me.  Originally, we were thinking of putting a two-story Craftsman style porch on the front.  In doing this, we hoped to change the look to Craftsman (my preferred style) and to eliminate the odd appearance of the windows. 

Well, we're rethinking this.  First, the interior of the house is fairly dark due to the large trees in the front yard.  A front porch would only worsen this problem.  Second, a protection from sunlight is unnecessary on the front of the house, as it faces east, so we'd be shaded in the evening.  Third, we have a potential problem with the setback.  There may not be enough room to build a porch without violating the 25' setback (because our property starts fairly far from the street.)  We could apply for an appeal, but this would set back renovations by 45 days.

So, I began thinking about sticking with a Colonial facade.  But, that still leaves me with the problem of the windows.  Extending the house just 10 feet to the south would give a fairly asymetrical look to the building.  So, I had a thought:  if you added a window between the two existing windows, you'd be able to go out just 10.5 feet and still have symmetry, by having four windows.  Also, if you bumped the roof line up a bit, you could eliminate the gables.  Or, maybe you wouldn't have to bump up the roofline, if you could make the gables more attractive. 

So, here's the idea (crudely sketched by me!):