This laptop has Intel Core 2 Duo Inside. ATI Mobility Radeon HD 2400 with 128 mb allows users to play new games with great performance. M51Sr is the fist 15.4" laptop with digital keyboard in the world.

M51Sr has WLAN 802.11 a/g/h built in. Laptop also supports Bluetooth 2.0 and EDR.

M51Sr has 4 usb ports, S-video port, TV output, and express card.

Laptop comes with built in microphone and moveable 13 megapixel camera that allows users to have video conference calls.

System is equiped with fingerprint check that guarantees security to asus users.

Price of this laptop right now is about $1200.



General
Platform Technology Intel Centrino Duo
System Type Notebook
Built-in Devices Speaker, Bluetooth antenna, Wireless LAN antenna
Embedded Security Fingerprint reader
Width 14.2 in
Depth 10.5 in
Height 1.6 in
Weight 6.6 lbs
Color Black
Processor
Processor Intel Core 2 Duo T7500 / 2.2 GHz
Multi-Core processor technology Dual-Core
64-bit processor Yes
Data bus speed 800 MHz
Chipset type Mobile Intel PM965 Express
Cache Memory
Type L2 cache
Cache size 4 MB
RAM
Installed Size 2 GB / 4 GB (max)
Technology DDR II SDRAM - 667 MHz
RAM configuration features 2 x 1 GB
Storage Controller
Storage controller type Serial ATA
Storage Controller / Serial ATA Interface Serial ATA-150
Storage
Floppy Drive None
Hard Drive 250 GB - Serial ATA-150 - 5400 rpm
Storage Removable None
Hard drive type Portable
Optical Storage
Type DVD±RW / DVD-RAM
Disc Labeling Technology LightScribe Technology
Optical Storage (2nd)
2nd optical storage type None
Card Reader
Card reader type 8 in 1 card reader
Supported flash memory cards Memory Stick, MultiMediaCard, SD Memory Card, Memory Stick Pro
Display
Display Type 15.4 in TFT active matrix
Max Resolution 1280 x 800 ( WXGA )
Widescreen Display Yes
Features Zero Bright Dot
Video
Graphics Processor / Vendor ATI Mobility Radeon HD 2400
Video Memory 128 MB
Audio
Audio output type Sound card
Audio output compliant standards Sound Blaster Pro, High Definition Audio
Audio Input Microphone



Notebook Camera
Camera Type Integrated
Notebook Camera / Sensor Resolution 1.3 Megapixel
Notebook Camera / Camera Features Swivel
Multimedia Functionality
TV Tuner Type None
Input Device(s)
Input device type Mouse, Keyboard, Touchpad
Telecom
Modem Fax / modem - MDC
Max transfer rate 56 Kbps
Networking
Networking Network adapter
Networking / Wireless LAN Supported Yes
Wireless NIC Intel Wireless WiFi Link 4965AGN
Data link protocol Ethernet, IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, Fast Ethernet, Gigabit Ethernet, Bluetooth 2.0 EDR, IEEE 802.11n (draft)
Networking standards IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, Bluetooth 2.0, IEEE 802.11n (draft)
Expansion / Connectivity
Expansion Slots Total (Free) 2 ( 0 ) x Memory, 1 ( 1 ) x ExpressCard
Interfaces 1 x Microphone - Mini-phone 3.5 mm, 1 x Audio - SPDIF output/headphones - Mini-phone 3.5 mm, 1 x Display / video - VGA - 15 pin HD D-Sub (HD-15), 1 x Display / video - Composite video/S-video output, 3 x Hi-Speed USB - 4 pin USB Type A, 1 x IEEE 1394 (FireWire), 1 x Modem - Phone line - RJ-11, 1 x Network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45, 1 x Display / video - DVI-Digital - 24 pin digital DVI, 1 x Storage - ESATA
Miscellaneous
Included Accessories Carrying case, Optical mouse
Features System password, Hard drive password, Security lock slot (cable lock sold separately)
Power
Power device form factor External
Voltage Required AC 120/230 V
Battery
Technology 6-cell Lithium ion
Installed Qty 1
Manufacturer Warranty
Service & support type 2 years warranty
Service & Support Details Limited warranty - 2 years, Limited warranty - Battery - 1 year
Operating System / Software
OS Provided Microsoft Windows Vista Home Premium
Software Drivers & Utilities

Asus makes high quality pc hardware and pretty good laptops. The price of $1200 is very good for its capabilities.