The Page Layout control is a great addition, but we're finding it's cumbersome to use in practice. When adding any other control to a row or column, the smart tags are not available and the control must be coded completely by hand.

We've gotten around this somewhat by creating controls OUTSIDE of the page layout, doing all the configuration, then moving them into the appropriate location inside the page layout control. The demo suggests that the tool can provide "Rapid Prototyping", but we're finding just the opposite.