TRY HTC HD3 (M$ Windows mobile 7 platform)
Some Special Features of HTC HD3 are given below:

* 4.5-inch WXGA Super AMOLED multi-touch display ,1280×800 Pixels.
* 8 megapixel camera with dual-LED flash
* 720p HD video recording
* 1080p HD playback
* Wi-Fi / Bluetooth
* 3G / 4G connectivity
* 32GB microSD support
* 1GB RAM / 1GB ROM
* 1.5GHz Snapdragon processor
* 1800 mAh battery
* 115mm x 65mm x 10mm