josh smith's wpf binding article in this month's msdn magazine

http://msdn.microsoft.com/en-us/magazine/cc700358.aspx

a couple of things new to me:

- the way he uses IsSynchronizedWithCurrentItem and nested, hierarchical bindings like {Binding Path=CurrentItem.Orders.CurrentItem.OrderDetails}

- the capabilities of the .NET 3.5 validators (implementing validation logic in code using System.ComponentModel.IDataErrorInfo)

also check out how smoothly he binds an object hierarchy to a treeview, good stuff--