The line of companies rolling out new loan menus for non-qualified mortgages is growing longer each week, but it remains to be seen which firm will be the first to issue a non-agency MBS. Citadel Servicing Corp., Irvine, CA, is working on a bond, but has been noncommittal about when it might come to market – and whether its first deal will be public or private. The privately-held nonbank is now funding more than $15 million a month in non-QM/nonprime products. Meanwhile, Impac Mortgage Holdings – an Alt A lender of yesteryear – has just entered...