Thanks for all the feedback so far.
Jim, I plan on wearing my BPL Merino Hoody, which matches your suggestion of one inside the other, so I think I am on the right track here.
Lynn, I suspected that the Nunatek would be more versatile, but moisture could be an issue. I suppose if it is used correctly, that would be the warmest.
Mary, I have a couple light fleece ones made by Seirus but they are not warm enough for me. I think the polypro would be similar. I am sure I want to get an insulated one.
So now the question for me is whether or not the Pro 90 would be warm enough. Heck for under $40 it is cheap, although I don't have a problem spending the money on a down piece. I guess I won't know until I try it.
Roger, is that a Pro 90 in the picture? Since my mouth and nose would be covered by the hoody, and the baclava only covers the mouth, can I assume condensation would be minimal? I normally breath through my nose with my mouth closed (at least my wife tells me that).