Savvy lenders are cashing in on the heated debate over the outlook for a new breed of non-traditional adjustable-rate mortgages with products that offer affordability by increasing loan-to-value ratios and extending amortization periods. A case in point is NovaStar Financial. The Kansas-based real estate investment trust took the wraps off two new alternative loan programs that it claims will offer more flexibility and better payment certainty for borrowers while avoiding the pitfalls of payment…