NY Times paywall is here MAR 17 2011
Or will be soon...they announced some of the details today.
On NYTimes.com, you can view 20 articles each month at no charge (including slide shows, videos and other features). After 20 articles, we will ask you to become a digital subscriber, with full access to our site.
Cheapest plan is about $180/year and the most expensive is $420/yr. Access is free to paper subscribers.