I just went to GameStop to pick up a used PS2 A/V cable, and instead of ringing up for the marked $7.99, it rang up for $2.00. So if you've got any PS2s that lack cables, this could be the time to stock up.
You can check store availability here:
http://www.gamestop.com/product.asp?product_id=900352
You can check store availability here:
http://www.gamestop.com/product.asp?product_id=900352