Here is a used one on Ebay.
http://cgi.ebay.com/2001-Ibanez-JOE-SATRIANI-JS1000-JS-1000-Series_W0QQitemZ110066909797QQihZ001QQcategoryZ330 43QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Tom Anderson makes excelent guitars. I imagine now that he has shut down his company and is going to be just building a handful a year by himself, the value will more than hold if not go up.