If you have to make a decision between iPhone 3G and Samsung Instinct here is a little table that may help you as far as price is concerned:
| what | iPhone 3G | Samsung Instinct |
| initial price | $199 | $129 |
| contract term | 2 years | 2 years |
| storage | 8GB space | 2GB microSD card |
| misc | 16GB version for $299 | after $100 mail-in rebate |
| GPS navigation | no dynamic driving directions | includes door-to-door navigation |
| monthly cost of cheapest plan | $40 + $30 = $70 | $70 |
| unlimited plan | $100 + $30 = $130 | $100 |
| 2 years cost for unlimited | $3320 | $2530 |
| carrier | AT&T | Sprint |
Please comment if you think we got the numbers wrong. We’ll fix it.
http://www.navigadget.com/index.php/2008/06/20/price-comparison-samsung-instinct-vs-apple-3g-iphone/