I sent the following to my ISP today:

You may be aware that the available pool of IPv4 addresses will be exhausted in 3 years from now. Here are some links to more information.

http://ec.europa.eu/information_society/policy/ipv6/docs/european_day/communication_final_27052008_en.pdf

http://www.ripe.net/news/community-statement.html (and similar announcements form other RIRs)

By way of this e-mail, I wish to formally ask you to make IPv6 support available to your customers.

We are often told that ISPs do not deploy IPv6 on  their network because there is no user demand, so I thought it may be useful to formally ask for it and inform you that I am willing to pay a small extra for a decent IPv6 service.

My own blog post on the subject is here:
http://www.circleid.com/posts/85288_european_commission_pushes_ipv6/

I do not expect any answer, but if it happened, I would post it here.

Update 2 june 10:21am:  The ISP has closed the ticket, without even bothering to reply. Obviously “raising awareness” is  not enough. One of these days, I will have to vote with my feet. The problem of course is that most other Belgian ISPs are even worse …