A few detailed reviews on the Kindle 2:
- Wired: "Kindle 2 Brings Books Closer to e-Nirvana"
- Good: "Reviewing the Kindle 2"
- Washington Post: "Amazon Kindle 2 E-Book Reader"
- Engadget: "Amazon Kindle 2 Review"
- Gizmodo: "Kindle 2 Review: Sheeeyah, More Like Kindle 1.5"
- CNET: "Amazon Kindle 2"
- USA Today: "Amazon e-reader Kindle 2 is a nifty, if costly, second act"
No shortage of reviews out there if you hit the Google, but the above should provide a good, balanced overview for anyone interested.