I don't think that .ORG will ever quite overtake .NET, simply because .NET is a more general than .ORG. People assume something free or a charity when they see .ORG.
Myself, amongst many would not choose a .ORG over a .NET. :santa:
I think LLL.org's are a better investment if you are looking for end-users. Organizations made up of 3 words, usually want their acronyms in either .com or .org.