PC Deal (?)

Might get a new pc in a month or so, was also going to build it myself, but just saw a pre-built deal expiring in two days. I quite like dell machines, but what do you reckon of this based on price and parts?

Components
StudioXPS 8100 - Intel Core i3 Processor 530 (2.93GHz, 4MB)
Genuine Windows® 7 Home Premium 64bit- English
Microsoft® Works 9 - English
4096MB 1333 MHz Dual Channel DDR3 SDRAM [4x1024]
1TB Serial ATA (7200RPM) Hard Drive
1GB ATI® Radeon™ HD 5450 graphics card
McAfee® Security Centre 15 Month Protection
DVD +/- RW Drive (read/write CD & DVD) with Roxio Easy CD and DVD Burn software
Dell Multimedia USB Keyboard Dual Tone - UK/Irish
Dell Optical Scroll USB (2 buttons scroll) DUAL TONE Mouse
Integrated HDA 7.1 Dolby Digital Audio




£450.

Know nothing about hardware (at least not recent anyway).

Thanks


e: Baring in mind i only really want this for working, ET WoW and cod4.