There are actually several tuners on ebay at the moment (morning of the 2nd):

http://search.ebay.com/search/search.dll?MfcISAPICommand=GetResult&ht=1&ebaytag1=ebayreg&query=empeg+tuner&query2=empeg+tuner&search_option=1&exclude=&category0=&minPrice=&maxPrice=&ebaytag1code=0&st=&SortProperty=MetaEndSort

It's interesting that these tuners demand a higher price than the basic player (at least at closeout pricing; although still a fraction of the original (and fair) pricing).