When he said they're combining aspects of gameplay to make SC2 and SC5 feel like a single experience, I was so happy.
Those two are by far my favourites from a pure game-play perspective.
Yup I actually smiled the biggest grin in public while wearing headphones and my eyes started to water, the moment he said "before I leave the stage I want to ask you a question". Wasn't even embarrassed.
I've never been happier ;).