Yes the GPS fix can be slow, but once it locks on it is fine. I use Googlemaps and they have always been fine too.

"and there is really nothing to show..." That's not true, every week a program gets updated and the NiT improves. The community is constantly refining and improving this product.

What can the iPhone do that we can't? (except sync contacts/calendar) If the NiT was closed off like the iPhone then it could be more polished, I prefer less sheen and more usability.