While the NYTimes pay model would work for me (I'd access via a PC or smartphone.) I think their pay model is clunky. Why does someone who wants to access the site via their iPad have to pay more than someone accessing the same content from a smart phone? The Kindle subscription is left out from this paywall so those users wouldn't be able to access the site with that subscription. The full access unlimited digital subscription is $35 a month. That same user can sign up for the weekend only home delivery for around ~$12 a month and get the full access digital subscription with it.
For such a large, risky undertaking, I don't think it is thought out well at all.