Engadget interviewed the main man responsible for the new UI in Honeycomb. It is a long interview (25 min or so), but it was fascinating to me. Google's Matias Duarte seems like a very likable guy with tons of forethought as well as a really articulate vision of what he wants. It's long, but to me it was super interesting to hear him talk about the new elements in 3.0 and the XOOM ..
Interview: Google's Matias Duarte
Interview: Google's Matias Duarte