Last year my Christmas tree was green and gold with a lot of Old World ornaments and a few other random ornaments.
When I went to Disney World in December 2006 I bought three dozen vintage-looking Mickey head ornaments. So this year I think I'll use those and my Old World (and a few other random ornaments) ornaments.
ETA: The Mickey ornaments are like these except some of them have the little impressions (like old vintage ornaments) in them.
http://www.laughingplacestore.com/Product-7592.asp