>Completely off topic but in case you're watching the thread:
>Have you looked at the Reactive Extensions library (http://msdn.microsoft.com/en-us/data/gg577609)
>I've been playing around with using it instead of, for example, the usual MouseMove event handling and it seems to perform well....

I saw the drag and drop link you provided the other day. Pretty wild. But haven't had a chance to play with it. DLing it now.