Ok, unoffial yet but recent archaiological escavations from University of Ioannina in Greece suggest that an ancient fortified complex located on modern Ithaki (Ithaca) in a place called 'School of Homer'. may be the answer to a 3000 years search for Odysseus home. for more photographic evidences of the site check:
http://www.arsenis.info/Homer%27s%20Ithaca/Homer's%20Ithaca%20Photos.html