The following article, hosted at the new York times, aims to compare prices between the US and Japan regarding cost of upgrading speeds for cable companies. It also mentions costs of high speed Internet in the Netherlands which, according to the article, costs 80 euro for the 120 mb service it offers. That is a price i would be more than happy to pay for such a service.
Read more here: http://bits.blogs.nytimes.com/2009/04/03/the-cost-to-offer-the-worlds-fastest-broadband-20-per-home/