This is the trouble - nobody knows how much you can download and you just end up getting throttled to oblivion when you thought you were using a reasonable amount.
10 day Rolling Window - If you're in Top 20% of IS users for the 384kbs, 512kbs and 1024kbs connection speeds, your traffic will be prioritized according to a star rating *
User Policy applies 24/7, Weekends & Public Holidays
For the 4096kbps Accounts, if you're in Top 50% of IS users for this connection speed, you will be shaped
Speed and everything is fine until this point. It started getting throttled from around 8gb for me on 384.