Since DSL is an 'always on' technology, they had better change that or their customers will be getting viruses out the wazoo. [do you have wazoo's in NZ?]
The way Telecom markets ADL here is to give away free modems and waive installation fees for standard installations. We are actually one of the least ADSL-using countries in the West and the pricing structure is still very archaic (not to forget expensive) here.