Just about every team in the NBA would want Dwight Howard, and just about every team in the NBA has more to offer the Magic than the Nets do.
Howard screwed himself when he opted himself in for Orlando in the middle of the year. Just because he wants to go to Brooklyn doesn't mean the Magics GM is gonna be like, "Oh okay, I'll just ask them for a second round pick."
Atleast their current GM might not do that, their previous GM might have...