Hosts files. Given that storing megabyte-sized data is no problem, it can work even for individual users. Update your hosts off your peers in a web'o'trust fash

Hosts files. Given that storing megabyte-sized data is no problem, it can work even for individual users. Update your hosts off your peers in a web'o'trust fashion. But DNS is the easiest thing to circumvent and hence, there will be pressure to create stronger control methods.