Is This a good deal?

I can get a sony vaio fe550g for 900 dollars, used about 3 months. I'm wondering if its a good deal?

The specs are:
Processor Brand: Intel
Processor Class: Core Duo Processor
Processor Number: T2300
Processor Speed: 1.66 GHz
Mobile Technology: Centrino
L2 Cache Size: 2 MB
System Chipset: Intel 945GM Express
Memory Speed: PC2-4200 (533MHz)
Memory Technology: DDR2-SDRAM
Installed Memory: 1 GB
Maximum Memory: 2 GB
Hard Drive Capacity: 100 GB
Drive Controllers: SATA-150
Rotational Speed: 5400 RPM
Optical Drives: Double Layer DVD+/-RW Drive:
Create a DVD+R DL at a maximum 4X Write speed
Create a DVD+R at a maximum 8X Write speed or a maximum 8X Rewrite speed
Create a DVD-R at a maximum 8X Write speed or a maximum 6X Rewrite speed
Play a DVD-Rom at a maximum 8X Read speed
Create a CD-Rom at a maximum 24X Write speed
Create a CD-RW at a maximum 16X Rewrite speed
Play a CD-Rom at a maximum 24X Read speed

Additional Drives: DL DVD+/-RW
Video Chipset Brand: Intel
Video Chipset: Graphics Media Accelerator (GMA) 950
Shared Video RAM (Max): 224 MB
Resolution: 1280 x 800
Display Size: 15.4 in
Display Type: Active Matrix LCD (TFT)
Port Connectors: Graphics Interface: VGA out with Smart Display Sensor
1 VGA output
1 S-Video output
1 Audio - Headphone-out
1 Audio - Microphone-in
1 i.LINK® connector (IEEE 1394) (4 pin)
3 USB 2.0 ports

Card Slots: 1 x Memory Stick Duo
1 x ExpressCard/34
1 x Type II / Type I CardBus
Network Support: Ethernet (10/100 Mbps)
Wireless Protocol: 802.11a
802.11b
802.11g
Modem Speed: 56 Kbps
Input Devices: Keyboard
Touchpad
Battery Life (average): 2.0 - 4.0 Hours
Number of Batteries: 1
Installed Operating System: Windows XP Media Center Edition 2005

 

I would say so. The cheapest deal I can find online is $1,049. $900 seems like a fairly good deal. Of course if you can get one lower that you see, I would take it, but this looks bike a good deal from here.