Thinking about it more, however, the cold, hard facts remain the same.
Let me go through them for my (and your) well being:
1) Blizzard has been recruiting heavily lately: not only art directors but all kinds of artists. Judging by the StraCraft 2 trailer, their work at SC2 seems almost complete, so they are not hiring them for that.
2) Knaak commented about the Diablo storyline and basically confirmed Diablo’s world is not dead, it’s a world with dead.
4) Diablo 3 trademark and domain activity. Blizz have secured rights to all things Diablo 3 and since they aren’t making a movie, my guess is they plan a game.
5) Diablo 2 still has tens of THOUSANDS of active players. I bet more people play Diablo 2 than StarCraft (maybe not in Korea but worldwide).
Here’s another bet I’m willing to place right now: Most Diablo players are critical of WoW. I know I am. For example, I hate the fact I can’t access probably 50% of the end-game content.
Why? Because I don’t have the time to RAID. With Diablo, I can log in and solo Diablo or Baal whenever I feel like it. There’s no waiting for a healer or a tank. You go in, you kill. It’s that simple.