NOKIA N97 3G 32GB :::

This phone is unlocked and can be used with any SIM card. No activation required (check carrier frequency requirements)

Apple iPhone 3G (16 GB) Smartphone

iPhone redefines what you can do on a mobile phone. Tap a number to make a
call. Listen to voicemail in any order with Visual Voicemail. 3G

Samsung SGH-i900 Omnia

Touchscreen is the currently the most popular way of interacting with a phone.
Using a physical keyboard seems so antiquated by this standard.