gzt: That's exactly what Chewy said! : ).
My guess is one of his many enemies will pick him up and fit him with an artificial heart so he can continue to function and repay his gambling debts to the syndicate. Maybe the new heart will make him less of an ass. Also he can have a tearful reunion with Kylo.
If they can bring back Darth Maul (who suffered a more serious light saber death) then they can bring back Han.