Time will tell.
How many people have used the phone before they've gone off on a rant? I'm curious.
I have an Apple store a half a mile from my front door. I walked over on Friday evening just before six because I was curious about whether it was a zoo or not. The line was a block long, about 300 people, I would guess (in a relatively small town, Boulder). I decided to get in line because a friend of mine turned up just as I did, and I thought I'd have a visit with her and then get to see the phone in the flesh.
50 minutes later, I bought three. I knew I'd own one one pretty soon, but seeing it in the hand made it a no-brainer. I bought the extra two (one on my allotment of two and one on my friend's) on the theory that there would be a buttload of people in Europe and Asia and elsewhere who wanted one and couldn't get it. I sold the extra two on Ebay within 24 hours at a profit that almost paid for my own phone. That was a crapshoot, but I certainly wasn't going to end up selling them at a loss. Anyone who's ever owned a Mac can tell you that he sold it two years down the road for nearly what he paid for it. People who use Apple products love Apple products, by and large. 100,000,000 iPod users are going to take a hard look at the iPhone in a hurry, and so are a lot of other folks.
Time will tell about how quickly people grab this phone. In the long run, anyone with a brain will be using one. It's very, very good, an order of magnitude better than anything anyone else has produced or is producing. (When have you ever seen the four biggest critics -- Mossberg, Pogue, et. al. -- all say at the same time, "Home run, basically!") And it's going to get a lot better.
I don't work for Apple. I've had four Treos in seven years. I bought them and used them because they were better than anything else on the market. That's not true anymore.