Just called the ISP xtra.co.nz They would not give a speed that they say they provide, as there is too much variation they say. Their test shows
1MB Download Test
Test Completed
This page is designed to give you a good indication of the actual transfer speeds that you obtain when connecting directly to a server. This program works by sending a large section of data to the client program from the server and timing how long it takes to download.
Broadband Speed Test Meter
Zero
0kB
160kb
20kB
400kb
50kB
800kb
100kB
1.2Mb
150kB
1.6Mb
200kB
2.2Mb
280kB
Extreme!
350kB
Your line speed is approximately 1661.2 Kbps or 203.6 KB/sec
( Where kb = kilobits and kB = kiloBytes )
Important Note: Due to caching problems in Internet Explorer you might have to press and hold CTRL while clicking on reload. This should give you an accurate download speed.
Results
Below is the data used to calculate your download speed:
* Download time: 5.197 seconds
* Size of file: 1058 Kilobytes
* Estimated line speed: 1661.2 (kilobits/second)
* Estimated line speed: 203.6 (kilobytes/second)