Bill Vallicella of the excellent Maverick Philosopher blog has been tackling his theory of particulars as bundles of universals. If you appreciate mindwatering metaphysical morsels, I recommend the eats.
Total Dependence and Essence/Existence Composition
Metaphysics at Cindy’s: The Ontological Stucture of Contingent Conreta
Two Questions About the Bundle Theory Answered
Can a Bundle Theory Accommodate Change?
Bundling is Symmetrical But Not Transitive
The Bundle Theory and the Identity of Indiscernibles
Hardy and delicious.