HTC Desire Mobile features:

Android 2.1 (Eclair)
HTC Sense User Interface
Large and WIde 3.7″ Capacitive Touch Display
1GHz Snapdragon processor
Adobe Flash 10.1 ready
Optical Joystick

HTC Desire Phone Technical Specification

HSPA/WCDMA 900/2100MHz
GSM 850/900/1800/1900MHz
EDGE (up to 560kbps)/GPRS
3.7″ inch (480×800 pixels) AMOLED Display
576MB RAM/512MB ROM
5 Megapixel Camera with Face Detection and [...]

HTC HD Mini smartphone is based on latest Windows Mobile 6.5.3 OS, features capacitive touchscreen, 5MP Camera and provides easy access to popular websitest like MySpace, Orkut, Facebook, Flicke And Twitter…

HTC HD Mini Techncial Specification:

3G/HSPA 900/2100 MHz
Quand- band GSM/GPRS/EDGE
3.2″ inch WVGA Touch Display
600MHz Processor
256MB/512MB RAM and ROM
5 Megapixel Camera [...]

HTC Trophy smartphone features 3″ inch Capacitive Touchscreen, Full size QWERTY Keypad and Windows Mobile 6.5 Operating System.
HTC Trophy Business mobile is very slim, Just 11mm.

HTC Trophy Mobile Features & Specification:

GSM/GPRS/EDGE
3G/HSDPA
Winmo 6.5
TouchFLO 3D User Interface
Qualcomm MSM7227 600MHz processor
256MB RAM/512MB ROM
3? inch Touch Display
5 MP Camera
Micro [...]

HTC Smart Mobile Features:

Compact touch design
based on Qualcomm’s Brew Mobile Platform
HTC Sense user interface
Expandable mmeory
Affordable & Cheap

HTC Smart Technical Specification:

3G/HSDPA (3.6 Mbps)
Quad Band GSM 850/900/1800/1900 Mhz
GPRS/EDGE/WAP
300MHz Processor
256MB RAM/256MB ROM
2.8″ inch Touch Sensitive QVGA Display
3 Megapixel Camera with Flash
Bluetooth v2.0 with A2DP
[...]

Google Nexus One mobile is powered by Android OS and going to manfactured by HTC. Unlike previous Android mobiles whole user experience is designed by Google and will be avaialble unlocked in January 2010.

Google Nexus One Mobile Features:

Android 2.1
3G/HSDPA
Quad Band GSM
QualComm Snapdragon Processor (1 GHz)
Large OLED Full Touchscreen
Expandable Memory
[...]

HTC Salsa is QWERTY android mobile phone for business user features like Microsoft Exchange email support, Built in Social networking (Facebook, Flickr, Youtube…), 3.2MP camera and FM Radio.

HTC Salsa Mobile Tech Specs:

Quad Band GSM/GPRS/EDGE
3G/HSDPA
Qualcomm 528MHz Processor
Google Android
256MB RAM and 512MB Flash
2.6″ inch QVGA Flat TouchScreen Display
3.2 Megapixel camera
[...]

HTC Tera is Windows Mobile with full Slider QWERTY Keyboard with 3″ inch Resistive touchscreen and meant for people who needs lots of typing on there phone.

HTC Tera Mobile Tech Specs:

WCDMA/HSPA: 900/2100MHz
Quad Band GSM/GPRS/EDGE
Qualcomm 600MHz Processor
Windows Mobile 6.5
256MB RAM and 512MB Flash
3.0″ inch ResistiveTouch Screen Display
3.2 Megapixel camera
[...]

HTC Legend Andoid mobile is sleek and stylish built with metallic frame and features optical pad, 5MP camera, AMOLED Display and Social media and Multimedia features.

HTC Legend Mobile Tech Specs:

WCDMA/HSPA: 900/2100MHz
Quad Band GSM 850/900/1800/1900 MHz
Qualcomm 600MHz Processor
Google Android
256MB RAM and 512MB Flash
3.2″ inch HVGA AMOLED Capacitive Touch Screen Display
[...]

HTC Buzz is stylish Android mobile with changeable backplates available in many designs and features 5MP camera, 3.2″ Capacitive Touchsscreen and Google Maps/Services.

HTC Buzz Mobile Tech Specs:

Quad Band GSM 850/900/1800/1900 MHz
WCDMA/HSPA: 900/2100MHz
Qualcomm MSM7225 528MHz Processor
Android
256MB RAM and 512MB ROM
3.2″ inch QVGA Flat Capacitive Touch Screen
5 MP camera with [...]

HTC Photon is Windows 6.5 based smart phone features capacitive touch display, People Touch Flo 3d Interface 5MP camera, motion Sensor and Moultimedia features.

HTC Photon Mobile Tech Specs:

Quad Band GSM 850/900/1800/1900 MHz
3G/HSDPA
600MHz Qualcomm Processor
512MB ROM and 256MB RAM
3.2″ inch Capacitive HVGA Display
Micro SD card slot
5 MP camera with [...]