For an interesting contrast, visit http://www.worldlii.org/catalog/3024.html to see some of the proposals for international security interests.
The Legal Information Institute has information on Article 9 at http://www.law.cornell.edu/topics/secured_transactions.html. It provides an interesting contrast to compare some of this information with that available at http:/www.ebrd.com/pubs/sectrans/main.htm, which addresses international issues in the area of secured transactions.