Well, here's hoping. Seriously, I know it's unseemly to hope for someone to die but I make exceptions for terrorists, murders and tyrants.
I hope he shuffles off this mortal coil and Cuba makes a nice, smooth transition to democracy. (Hey, I can dream).
I fear his death will not change much if anything. Raul and possibly Ernesto are waiting in the wings. I don't know much about his kids other than "Fidelito" was running some sort of nuclear agency in Cuba but was sacked by his father.