From StarWars.com:
Buttons, Keychains, etc...
Air Fresheners, buttons, key chains, and stickers from C&D Visionary
Calendars
Cedco Publishing will produce three different 18 month calendars, one based on images from Star Wars: Revenge of the Sith, one focusing on Darth Vader, and one showcasing the poster art from all six films.
Dinnerware
From Zak Design; bowls, cups, and plates w/ Revenge of the Sith imagery.
Party Supplies
From Hallmark Party Express, Plates, streamers, and more.
Check out the above links for images and more information.