It's on Ebay until about 8 tonight (CDT)and opening bid is less that 1/3 retail. Here's the link.
http://cgi.ebay.com/HP-INKJET-23-COLOR-INK-CARTRIDGE_W0QQitemZ300110535372QQihZ020QQcategoryZ51318QQssPageNameZWDVWQQrdZ1QQcmdZViewItem