The odds of Shaq and Wade staying healthy aren't good. Look at this article discussing the likelihood of Wade staying healthy long term.
"At heart, I am a pessimist. I know this when I watch Dwyane Wade play. When most people see the Miami Heat's dynamic young guard, an All-NBA Second Team pick in just his second season out of Marquette University, they see one of the league's most exciting players. I see Penny Hardaway and Grant Hill. Like Wade, Hardaway and Hill were once the toast of the NBA as young players before injuries robbed them of their explosiveness" .... http://www.82games.com/pelton4.htm