I just came across this by chance, it's late so I wouldn't be surprised if I've made the odd mistake.
You must buy the system through DELL BUSINESS, it won't work otherwise - I can't remember exactly how this affects your rights if for example you wanted to return the laptop.
Don't forget to apply the 10% off voucher linked above once added to your basket!
[ N03X5306 ]
15.4" Widescreen WXGA (1280x800) TFT Display (220nits) with TrueLife
Intel® Core 2 Duo Processor T8300 (2.40 GHz, 800 MHz FSB, 3 MB L2 cache)
Genuine Windows Vista® Home Premium SP1- English
4096MB 667MHz Dual Channel DDR2 SDRAM [2x2048]
NVIDIA® GeForce Go 8600M GT with 256MB dedicated graphic memory
500GB Serial ATA (5400RPM) Hard Drive
Internal Blu-Ray RW (Blu-Ray, DVD and CD read & WRITE) Slot Load Drive with Software
Intel® Next-Gen Wireless-N Mini-Card - Europe - Core 2 Duo Processors
Microsoft® Works 9.0 / English - (Does not include Microsoft® Word)
1Yr XPS Premium Warranty Support - Priority Call In and Onsite Support
2Yr XPS Premium Warranty Support - Priority Call In and Onsite Support
McAfee® Security Centre - 24 Month Protection - English
Dell Wireless 355 Bluetooth 2.0 Module (up to 3Mbps) with Enhanced Data rate - Eur
Primary 6-cell Lithium-Ion Battery (56 WHr)
Biometric Fingerprint Reader with BLACK accent
2.0 mega pixel Camera & Tuxedo Black for CCFL Display
DataSafe Online Backup 2GB 1 year
Dell Travel Remote Control
Be sure to pick the colour you want, and your choice of OS (32-bit, 64-bit).
[ Direct Link ]http://configure.euro.dell.com/dellstore/config.aspx?b=&c=uk&cs=ukbsdt1&l=en&oc=N03X5306&s=bsd
[ 10% off ]
Lastly, 5% cashback with the usual suspects.