[Paddlewise] More Cold Wether Clothing Questions

I'm reading all kinds of stuff on this list about cold weather clothing and
I am hearing a lot of varied answers.  Here's what I have and what I'd like
to do.

I paddle a 12' Pungo in the rivers of Maryland.  I stay away from choppy
water and I never go out into the bay.  Currently I own a NRS HydroSkin
Little Jon with some HydroSkin socks for wearing with my wet shoes, and the
HydroSkin gloves.  I also have some very technical WinBlock ATC fleece that
is very thin but extremely warm.

I would like to get out into the water as soon as possible but I know I'm
going to need some additional clothing.  I am considering the purchase of
the NRS Steamer (complete one piece) wet suit for use under my fleece.  I
don't think I'll have to the budget to go out and buy a dry suit this year.

Here come the questions:

1.  Would I wear my PDF over the fleece jacket or under the fleece jacket?

2.  What range of water temperatures do you think I could safely paddle in
with the steamer suit and fleece for insulation?

3.  Would there be much of a different between the HydroSkin socks and the
3mm neoprene in terms of keeping my feet warm?

4.  When I do eventually get a dry suit, I would assume that the laytex
gaskets would have to go against my skin and not against the neoprene
sleeves of the steamer for proper water seal.  Is this correct?

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