Well, Tyler, I was awfully sure that Hagrid was the one that was going to die in 5. Although he might still die in future books, I wouldn't bet on which one.
I just loved how JKR kept us guessing about it all throughout the book though. Hagrid and the Giants, Arthur in the hospital, etc. Then Sirius was in the blink of an eye. Totally unexpected. Especially when I was sure that Sirius would be the last one to get taken away from Harry.
Dad-Eye,