What PowerPivot session would you like to see?

As PowerPivot is slowly becoming more known to the general public i was thinking about several new session i could do at events in the autumn. As i am slightly unsure what people would like to see i decided to put my ideas in a poll and ask you guys what you would like to see:

Second question i would like to know is when you think PowerPivot will become known to the big public: