ArcGIS 10.3.1 and ArcGIS Pro 1.0 include optional installers for Python that include a rich standard ArcGIS Python stack. SciPy and pandas are included.
ArcGIS Blog: Strengthening the Link between GIS and Science
Mike: we're bundling xlrd and xlwt with newer versions of ArcGIS, would that be adequate for your needs?
I'm aware of the demand for Pandas (I want it too), I'm going to see what I can do with that.
I would like to see a module capable of creating a form