eBay has plenty, but most don't include the tranny, some do.
http://search.ebay.com/search/search.dll?cgiurl=http%3A%2F%2Fcgi.ebay.com%2Fws%2F&fkr=1&from=R8&satitle=vg30dett&category0=
a front clip is gonna run you about $3000 for atx, $3250 for mtx.
http://www.z1motorsports.com/product_info.php?cPath=345&products_id=1609