These are getting rarer and rarer these days. And the countries which raced ahead dropped quotas early, or never had quotas in the first place (France for instance, second ADSL market in Europe, standard ADSL contracts are all unmetered and metered never represented any significant portion of the market).
Even Belgium, historically one of the worst countries in europe quotas-wise (supposedly due to the very low level of computer-based production, meaning ISPs can get no peering), is moving away from quotas.
> Once these two barriers fall (cloud based home TV management and tiered pricing) there will be more competition in US.
No.