CoolTechZone.com posted a review on the Apple iPhone 3G

We?ll get right to the chase. Apple?s iPhone 3G is very similar to the original iPhone. In fact, first-generation iPhones can be updated to use the iPhone 2.0 software, which will give a lot of the software capabilities of iPhone 3G to its predecessor. However, that doesn?t mean that iPhone 3G isn?t worth the upgrade. If you were holding out on the original iPhone in hopes of iPhone 3G, this is your chance to grab one, assuming can get past the strict requirements of activating the phone in AT&T or Apple Stores. That?s of course to prevent a lot of folks from unlocking their iPhones.

Apple iPhone 3G Review