Dar,
There are threads for both fitness walking and snowshoeing- you might get some other good answers on there.

I got some very nice telescoping snowshoeing poles last year from EasternMountainSports. Heres a whole bunch:
http://www.ems.com/catalog/subcatego...761&i=1&n=1000

Here is some good info on Nordic walking poles and what to look for:
http://walking.about.com/cs/poles/a/nordicwalking_3.htm