The full Darrow covers tuition for three years ($126,000) plus a $15,000 stipend. At least that's what mine comes to.
Rhymeonocerous, I'm leaning toward the Darrow. I'd like to work for the government after law school, which would be tough to do with a lot of debt. From what I can tell, clerkship and government job opportunities aren't significantly better at Columbia and the difference in the cost of living pretty much negates any scholarship money. As for Harvard, well, that's a choice that I don't have to make.
Kevin, from what I can tell they don't give out Darrow invites in rounds. If you'd take it over your current options, send them an email. It couldn't hurt, right?