I bought 2 Intellivision II systems lately for myself and neither one has great controllers. Either the disc is wore out or they have other problems. Out of the 4 controllers, maybe 1 is good. I'm looking for a pair in really good condition. Don't have to be new, maybe almost new.
I can pay with Paypal or trade if you see something in my sale thread that you like.
http://www.digitpress.com/forum/showthread.php?t=140135