I collect many things related to Star Wars. The thing that I am most addicted to are the figures. I have about 250 of them as of now, including some exclusives. My favorites are:
-CIII Vader
-Lava Vader
-all of Silver Edition figures
-Holographic Emperor
-Holiday Yoda
-ROTS Royal Guards
-ROTS Palpatine with blue lightsaber
-MANY, many others