Quick tip: if you live in the New York City area, I highly recommend looking into this session on May 12th:
It features Bill Baker and Andrew Brust. I worked with Bill Baker at Microsoft while he ran the Business Intelligence arm of SQL. Very colorful guy with an illustrious history and a reputation for not pulling punches.
I’ve never met Andrew personally but he was one of the first people I “met” on Twitter, and I quickly came to respect his judgment and observations. In fact he’s been on my blogroll (in the right sidebar) virtually since the day I launched this blog.
PowerPivot is not explicitly mentioned in the agenda, but I have word that it figures heavily in the discussion. (I suspect that an explicit mention would make people fear a marketing talk, but neither of these guys is an MS employee so that wouldn’t be warranted really).