DrSteveB at Dailykos has a great post up comparing universal health plans from countries all over the world - how they're financed, cost per capita / as a % of GDP, as well as the overall results (life expectancy and infant mortality rates). He's been doing 2 series, on healthcare and blog demographics, that are worth checking out - always extremely detailed and well researched. He promises a description of how "mandated insurance" plans have failed worldwide as a follow-up in the series soon.