Finally got it and without any of the horror stories I had read about other experiences with the install process. Although the dude I spoke to initially said to just plug the new modem DSL cable straight into my current ADSL line splitter no worries mate. Luckily while I was waiting for the install I checked TPG's site which said this was a big no-no, so that could have led to a fairly frustrating scenario.
TPG promises 43Mbps DL for their mid-range NBN plan but I am actually pulling ~47...
Yahoo NBN
TPG promises 43Mbps DL for their mid-range NBN plan but I am actually pulling ~47...
Yahoo NBN