Tim Heuer and ScottGu at the Silverlight Firestarter event about a year ago showed some really neat Layout Transition features, which drastically reduced the effort needed to create fly-in animations without using typical storyboards - using VisualStateManager.LoadTransition.

But it seems this feature did not make it into RTW. Quite a shame - this was one of the really cool SL5 features (next to PivotViewer)

Does anyone know why this feature was cut, and its future?