I think a likely scenario will be the ISP spreading the initial install cost through the monthly fee. That way, at least to some, it might be more attractive than having to pay a lump sum up front though I can't imagine that the smaller providers would be willing to do this. At the moment though we don't have the full picture, so we'll just have to wait and see. I'm still trying to find where my aggregation node is in the myriad of BT manhole covers (They'd be under these right?) scattered around.