You can consider buying
1)HTC HD2 Windows Phone (T-Mobile)
*4.3-inch multitouch screen with bright, lifelike 480 x 800 resolution. Zoom in and out of documents, web pages, pictures or emails with just a simple pinch. Type up responses faster and more accurately on the large onscreen keyboard. The display also automatically adjusts to the light level in your surroundings and turns off to prevent false screen touches during a call.
*1 GHz Snapdragon processor speeds up everything--from playing games to watching shows to opening files from work.
*Windows Mobile 6.5 operating system provides enhancements such as a touch-friendly user interface and improved browser with Flash support. Content and applications are just a fingertip away on the redesigned Start Menu and Internet Explorer Mobile supports the rich experiences you find on Web pages viewed on your PC. (Learn more)
*Customizable home screen with your apps and interests right on top.
*Fast 3G connectivity via T-Mobile's HSDPA/UMTS network. (1700/2100 MHz bands, UMTS/HSDPA; see more about T-Mobile's 3G service below)
*Quad-band GSM phone for good global voice connectivity. (850/900/1800/1900 MHz bands)
Built-in GPS for location-based services and navigation with a trial version of TeleNav GPS Navigator, which provides real-time location on maps, turn-by-turn driving directions, and more (monthly subscription required after trial expires).
*5-megapixel autofocus camera/camcorder with dual LED flash and digital zoom
*Wi-Fi networking (802.11b/g) for accessing home and corporate networks as well as hotspots while on the go.
*Bluetooth connectivity (version 2.1) includes profiles for communication headset, hands-free car kits, and the A2DP Bluetooth profile--enabling you to wirelessly stream your music to a pair of compatible Bluetooth stereo headphones or speaker dock.
*Memory expansion via microSD card slot with support for optional cards up to 32 GB (16 GB card included).
*Windows Media Player for multi-format audio and video playback
*Full messaging capabilities including SMS text, MMS picture and IM instant messaging (via popular services including AOL, Yahoo!, and MSN).
*Airplane mode allows you to listen to music while the cellular connectivity is turned off
3.5mm headset jack
http://wireless.amazon.com/HTC-HD2-Windows-Phone-T-Mobile/dp/B003BNZD3C/ref=sh_br_ph_4?tag=bdd-linking-001-20
2HTC DROID INCREDIBLE Android Phone (Verizon Wireless)
* Slick, thin smartphone with 3.7-inch HD OLED screen
* 8-megapixel camera with flash
* Android 2.1 OS with Google and multitasking
* 1 GHz Snapdragon processor for outstanding performance
* Backed by a 1-year limited warranty
http://www.amazon.com/HTC-INCREDIBLE-Android-Verizon-Wireless/dp/B003HC8NUW/?tag=bdd-linking-001-20)