Recently Sprint announced the Samsung Instinct.It came to look and feel like iPhone.The Samsung Instinct has a 3.1-inch and provides a 240x432 pixel touchscreen.

Samsung Instinct offering many features like a web browser,EV-DO Rev.A,email,GPS receiver,
2.0 megapixel camera with camcorder, microSD memory card slot with SDHC support, and stereo Bluetooth 2.0.

Other features:

Web Apps
Photo Viewer
GPS Navigation
Voice Command
Touch Typing
Music Player
Video Player
Web Browser

Sprint says the Samsung Instinct available in June. Price has not yet announce.