National market report: Commercial and residential real estate news briefs from around the U.S.

From the March issue: In this month’s round-up of real estate new from across the U.S., The Real Deal checks out Las Vegas’ $415 million renovation of the Sahara casino and hotel, rechristened the SLS Las Vegas. TRD also examines a remarkable 38 percent spike in Orlando home sales, 4,700 apartments coming to downtown Chicago and the $100.8 million sale of a 496-unit apartment development in Los Angeles. Read all these stories and more after the jump.