How much can I expect for a trade in of the complete twilightzone (28 discs) at EB games or other movie store?

a href="http://www.amazon.com/Twilight-Zone-Complete-Definitive-Collection/dp/B000H5U5EE/ref=pd_bbs_sr_1?ie=UTF8&s=dvd&qid=1211481183&sr=8-1" rel="nofollow"http://www.amazon.com/Twilight-Zone-Comp…/a