Rob O'Neill's article Naked DSL costs don't add up for customers covered a big part of the issue regarding New Zealand's Naked DSL offering.

But he missed one very critical part.

Telecom is still causing grief for people. ISPs and customers alike.

Our home phone is billed through TelsraClear, but is still a Telecom line.  At the moment we are unable to get Naked DSL, or even move our phone number to VoIP.

Why? 

Telecom's provisioning team (who actually disconnect our phone just to change ISPs) can not currently support moving a phone billed by another providers like TelsraClear to a VoIP provider.

The only way they can do it is to "decommission" the line (which means you loose the phone number) and create a brand new "line".  Even then it is most likely you will be without phone and internet for close to a week.

So, the only option for us is to "switch" back to Telecom ($50 churn fee) then have our Naked DSL commissioned via WorldXChange.

Ridiculous.  But shows that nothing has really changed in New Zealand.