Ads are out on Today's dailies about new internet offers. From what I understand, once you buy the bundles between 300 Mb - 1Gb at thier current prices, you enjoy unlimited internet for a month since date of purchase after the bundles expire. However, the catch will be speed caps at 32 Kbps for 300 Mb, 64Kbps for 700Mb and 128 Kbps for 1Gb.
This should explain the "new system" that has been responsible for dissapearing credit over the last few weeks