I had thought that the recently-consummated Toll Brothers sponsorship deal was more solid than that, but I could be wrong.
UPDATE: I should check the links in my own prior blog posts.
Joseph Volpe, the Met's general manager, said yesterday that he could not guarantee the broadcasts' survival for more than four years, based on Toll Brothers' initial commitment and other money raised. But he said he hoped the company's support could be extended. "We're relatively secure," he said.Perhaps less secure now.