A lot of money and energy, for sure. At one point, reports said they were paying $10 dollars a signature. Some donors are probably ticked, as they should be.
If you don't feel like reading that ruling, check out some of the extracted quotes in yesterdays thread (post 22 and 23.) It seems like their approach in court could have been more effective, as well:
http://www.freerepublic.com/focus/f-news/1460076/posts?page=22#22