Looks like its a done deal. Read this:
http://www.mudvillegazette.com/archives/004422.html
And dont forget that its not just Hilton hotels. The Hilton family of hotels includes: Conrad Hotels, Doubletree, Embassy Suites, Hampton Hotels, Homewood Suites and Scandic Hotels.
I haven't checked to see if that's a complete and accurate list, so I hope someone will correct me if it's wrong.