With some potentially large deals in the pipeline, the subprime sector of the home-equity market could put up record numbers this year. According to data compiled by Inside MBS & ABS, $53.14 billion in securities backed by subprime mortgages came to market during the first nine months of this year. To put that number in perspective, consider that for all of 2000, subprime issuance totaled just $55.94 billion. With just