I pay $32 USD for unlimted usage with 40Mb/s connection.
Well-technically the cap is 250GB a month but I use far more than that and have never been capped, throtteded or received a letter for abuse of the system.
You lucky bugger.
Everything in the above reply is my opinion, from my own perspective and not representative of reality outside of my own head!
-Android user, please be gentle with critique on my spelling.