NSS position paper
Actually, since you mention NSS, the National Space Society has a new position paper on "Next Steps for Human Space Exploration" - see
http://www.nsschapters.org/policy-cmte/
for that and previous NSS statements on the subject. Also a few notes on it over at sciscoop: http://www.sciscoop.com/story/2003/10/13/183045/47
-- there's a House Science Committee hearing this Thursday on the subject, supposed to be webcast:
http://www.house.gov/science/committeeinfo/schedule.htm
As for the debate here, #3 of the 4 recommendations for the near term from NSS is establishing a permanent base on the Moon.