I'd give them a call.. put them on the spot, I have feeling it may come down to the fact that they have reduced the cost of their broadband service to remain competative and so given it a slightly different name so existing subscribers keep paying the same (this has happened with BT before), Unless of course you do get extra features such as ree calls included... and perhaps it would be worth checking the relative speeds incase the cheaper one is slower, but my original point is the best solution... phone them