Parallax is running a sale on the WIZ812MJ today for $19.99. If you have the PropController Ethernet and haven't picked bought the Ethernet module yet this is a good deal.
http://www.parallax.com/Store/Acces...efault.aspx?SortField=ProductName,ProductName
http://www.parallax.com/Store/Acces...efault.aspx?SortField=ProductName,ProductName