FS: Rare Apple IIgs Upgrade for IIe

I'm selling my Apple IIgs Upgrade for the IIe. One of the rare and
collectible Apple II items. Monitor not included.

More information about the upgrade program is available from:
http://www.macgeek.org/museum/appleiigsupgrade/

Latest one sold on eBay for around $480:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170185625778

Pictures of the unit I'm selling are available at:
http://picasaweb.google.com/simplepractices/FSAppleIIeIIgsUpgrade

Selling for $400+shipping. I understand it's pricey, but if you're a
collector, you'd understand what hen's teeth are.

Also posted on comp.sys.apple2.marketplace

/Peter