Having gone through two of these "independence" referendums myself (Quebec 1980 and 1995), I am glad to be the outside observer on this one.
BTW, the currency argument was used here in the 1980 referendum. The PQ was arguing for a common currency, the Feds said no way.
As Karl Marx said, history always repeats itself twice, once as tragedy and the second time as farce.
Good luck, Chaps.