The 3 percent downpayment mortgages announced this week by Fannie Mae and Freddie Mac should be a better deal than similar FHA financing for stronger-credit borrowers, according to analysts. Final details of the conventional 97 loan-to-value ratio products were released this week to mixed but mostly favorable reviews. Although aimed at first-time homebuyers in Fannie’s MyCommunityMortgage and Freddie’s Home Possible programs, the products are also available for refinances of existing GSE loans.Only 30-year, fixed-rate loans are eligible and the home must be the borrower’s primary residence. In Fannie’s case, borrowers who go through MCM would pay lower upfront loan-level price adjustments. Freddie requires that the loans go through Home Possible. Analysts with FBR Capital Markets said the government-sponsored enterprises’ ...