You can register for free and use a fake email address. Your browser gets a cookie and you never have to deal with it again.
I agree that the signup wall on nyt is hella annoying. I'd love to see the results of an A/B test on disabling it.
When they do go fully paywall [1] I'll likely stop visiting their site.
1. http://www.nytimes.com/2010/01/21/business/media/21times.htm...