said by urbanguy 
:Ok, got a chance this evening to play around with this again. And the problem is now solved! It's been fixed by cycling power on my router and my modem. So no throttling after all. Thanks for your replies.
[edit - thought I should note that my IP address did
not change as a result of the power cycle]
A normal power cycle will not change your IP as the modem usually just re-grabs the same IP you already had, it will only possibly change if rogers made some changes on their end, if you install a new Network card, or if you leave the modem powered off overnight, in these cases the IP can change from my understanding based on previous discussions I have read here. 
