Simply google the amd vs intel comaprison for sure, I prefer AMD's personally.

http://www.ebuyer.com/product/138615

Additional hard drives can be installed in 2 mins if you need bigger storage

The ACER ASL5100 Desktop PC with 19" TFT Widescreen Monitor only £399.74inc vat
Manufacturers Part Number: 9P.G2G9Z.UFP
Model Name: Acer ASL5100

Processor

Type: ATHLON 64 X2 4200 Dual-Core Processor

Memory

Size: 1 GB
Maximum Expandability: 4GB
Technology: DDR2


Drives

Hard Drive: 160 GB
Certification: S.M.A.R.T
Optical Drive: DVD RW Dual, double layer slot in solution


Display

19" Wide Screen TFT Monitor


Graphics

Manufacturer: ATI
Type: Integrated ATI Radeon X1250


Interfaces

4-in-1memory card reader for Sony® Memory Stick, Secure Digital (SD), MultiMediaCard (MMC) and xD Cards
6 USB2 ports with 2 in front
1 DVI port
Gigabyte (10/100/1000) Lan solution
Audio Connections: 1 Line-in, 1 Lin-out, 1 Mic.-in ( (rear), Lin Out - MIC In (front)
1 Firewire 1394 port
S-video/Composite/AV-in connectors (with optional TV Tuner)
S/PDIF output (with optional TV Tuner)
FM antenna input (with optional TV Tuner)


Physical Dimensions

60(W) x 200(D) x 250(H)


Warranty

1 year warranty


Software

Microsoft® Office Trial 2007 (60D),
Microsoft® Works 8.5,
Adobe® Reader® 7.0,
Norton Internet Security™ 2007 (90D),
Acer Arcade Live,
Quick Burning (NTI CD-Maker™ Gold),
Acer Empowering Technology,
eSobi™ v2,0 Lite Trial (90D).


Operating System

Windows Vista® Home Premium