Instant Love
On the surface, InfoPath is "just" a forms editor that allows you to build editable Forms for XML Schema, Web Services and Databases very quickly. From a technology perspective that's very cool in itself, but the way InfoPath hides all of that behind its UI will simply make you say "Well, yes, that's how it should be". It's really a no-nonsense data-capture and data-presentation centric variation of what could have been yet another feature of FrontPage that few people would have ever noticed, just because it's UI is so simple. It's all Office.
The actual power of InfoPath lures in the details:
Here's stuff that I wish that InfoPath was that it isn't:
On Tuesday, I hijacked the Q&A portion of one of my talks in Helsinki/Finland to throw in a demo of InfoPath. I have never demoed any feature of Office (except PowerPoint freezing up on me). People stared at the thing in disbelief when I highlighted the potential.
Microsoft, you have a winner there: Bring it back home to where it belongs - make it a reusable thing, make it a redistributable thing, let us make it the center of our smart client apps -- make it a Dev Tool. Please.