I wasn't aware that the Pushpin Tool imported mif/mid.
We use microsoft's Spatial Data Importer and I have modified versions of that for doing various things, but it has involved a lot of custom programming over the years.
I did hear about a tool from Visimation recently that might be what you need,
http://www.shapesource.com/scripts/p...?idCategory=47
hope this helps,
Eric