Here at PP your alt is $342.
http://www.pelicanparts.com/catalog/shopcart/911M/POR_911M_ELchrg_pg1.htm#item0
At ********** it's $299.
http://www.**********.com/index.php?pg=proddetail&sk=1665
See if PP will match it.
To bad you can't get it rebuilt somewhere. Or at least turn it in for a core to get something back.