I recently bought a used 2007 Prius, and so far I'm very impressed with it. I'm not a treehugger. I got a good deal on it, and I like the technology, roominess, comfort, etc. I do like the 50mpg also.
The smartkey is so cool, and I like the bluetooth, homelink, etc.
I'm told that Toyota sold the last generation hybrid technology to Ford, now that they came out with the 3rd generation Prius. Toyota seems to clearly be the leader in hybrid technology.
I'm thinking that as that one person commented in the article, the common sense reason for increased mileage of Prius owners is that once you own one, you tend to drive it more and you leave your other car, a gas guzzler home more.....
As already said, the hybrid replacement rumors are overblown. They are hardly ever replaced, and if needed, not a huge cost. The warranty on them are at least 100,000 miles/7 years or more dependent on what state you live in. Certainly not a reason to avoid buying one. I also heard all of the urban legends, and a few months ago if you told me I'd own one I would have told you you're nuts. After doing the research, and then driving some, I realized it was just what I wanted. I love the car now and glad I bought it.
They are not for everyone, but then what car is? I own a Jeep Grand Cherokee and a Prius and like them both.
Frank