wacom screen

I know it is not software but I do not know where to post. I need a replacement screen for intuos 3 and every where is out of stock. has anyone used the ( how do I say it? not made by wacom ) over the top of the screen cover things? or know where I can get something for a 6 by 8 screen ?
Thanks

So if anyone is looking for a replacement screen for a wacom they seem to be out of stock everywhere at least my size. It seem many artist have found that plastic sheets of different kinds work well. here is some ideas
http://www.conceptart.org/forums/showthread.php?p=1684115