HTC Advantage X7501

The Advantage has a unique design. This starts out in a standard enough fashion: a tablet with a touchscreen. Added to that, though, is a detachable keyboard. The main unit can be magnetically connected to one side of the keyboard to make a laptop-like shape.

ROM capacity: 256 MB (accessible: 130MB)
RAM capacity: 128 MB (accessible: 111.15MB)
Hard Disk capacity: 7.62 GB
Display Type: color transflective TFT , 262144 scales
Display Resolution: 640 x 480
Display Diagonal: 5 "
Microphone: mono
Speaker: stereo
Audio Output: 3.5mm jack
Cellular Networks: GSM850, GSM900, GSM1800, GSM1900, UMTS850, UMTS1900, UMTS2100
Cellular Data Link: CSD, GPRS, EDGE, UMTS, HSDPA
Call Alert: 40 -chord melody
Positioning Device: Touchscreen
Primary Keyboard: Attachable QWERTY-type keyboard, 49 keys
Directional Pad: 5 -way block
Scroll Wheel: Not supported
Expansion Slots: miniSD, miniSDHC, SDIO
USB: USB 2.0 client, 480Mbit/s , USB Series Mini-B (mini-USB) connector
Infrared Gate: Not supported
Bluetooth: Bluetooth 2.0
Wireless LAN: 802.11b, 802.11g
Multimedia Telecommunication
Analog TV: Not supported
Analog Radio: Not supported
Built-in GPS: NMEA 0183 , 20 channels
Main Camera: CMOS sensor, 3.1MP
Autofocus (AF): Supported
Macro Mode: Supported
Built-in Flash: Mobile light (LED)

The HTC Advantage X7501 is the new flagship of HTC's Windows Mobile lineup, and the most obvious innovation is the detachable keyboard which can be used to protect the screen or attached to the bottom of the device for typing. In either case magnets are used to attach the keyboard. The Advantage also sports a 3 megapixel auto focus camera, GPS, video out and 8GB hard drive.

HTC Wing

Modes : GSM 850 / GSM 900 / GSM 1800 / GSM 1900
Weight : 5.93 oz (168 g)
Dimensions : 4.3" x 2.3" x 0.7" (109 x 58 x 17.8 mm)
Form Factor : Slidewith slide-out keyboard Internal Antenna
Battery Life : Talk: 5 hours (300 minutes)
Standby: 200 hours (8.3 days)
Battery Type : LiPolymer 1130 mAh
Display : Type: LCD (Color TFT/TFD)
Colors: 65,536 (16-bit)
Resolution: 240 x 320 pixels 2.8" / transflective
Platform / OS : Windows Mobile Professional (Pocket PC)version 6 Processor 201 MHz TI OMAP 850 Memory 27 MB (built-in, flash shared memory)
Phone Book Capacity : shared memory

The HTC P4350 is a simple and elegant quad-band PDA that offers full QWERTY keyboard which works very well, also featured is a 65k colour QVGA display and a 2 MP camera. You will also get Bluetooth and Wi-Fi. The HTC Herald P4350 runs on Windows Mobile 5.0 to give you good workability. This HTC Mobile PDA phone is simply your office and entertainment all in one handset.

Pros: Easy Qwwerty keyboard
Touch Screen
Nice Internet
Good voice quality
Easy to use
Keys light up for easy use in dark places
Battery life is good
Clear Bluetooth
Windows Media player for music and videos
Nice size for a PDA
Great Camera

Cons: a little hard to carry around without worrying about messing up the screen;you have to hae a case to avoid scratching it.
You also have to get a memory card, because it does not have much internal memory