Anyone interested in beta testing iClip 4 can sign-up at http://inventive.us/iClip4/
iClip is a popular, award-winning multiple clipboard and scrapbook application with over 15,000 registered users worldwide. iClip enables users to quickly store, organize, and access snippets of information without having to save them as entire documents.
iClip 4 will be $29 and will run on OS X 10.3 or later. The upgrade will be free to all registered users.