Ok narrowed it down to a couple.... Not a Vostro, as I have found a better- priced Inspiron...
Sony VAIO: (£542)
Processor
Intel Core 2 Duo (T5750) 2.0GHz 2048KB (L2 Cache)
CPU Bus Speed: 677MHz
Package: Micro-FCPGA
Motherboard
Sony VAIO NR Series
Integrated Network
Integrated WLAN
Integrated Modem
Memory
2048MB (4096MB) 667MHz DDR2 SDRAM
Hard Drive
250GB (1 x 250GB) 5400RPM Serial ATA Hard Drive
Optical Drive
DVD±RW (Dual ±R)/RAM
Software
Operating System: Microsoft Windows Vista Home Premium (SP1)
VAIO Music Box,
VAIO Movie Story,
Click to Disc/Editor
Display
15.4ins X-black LCD WXGA
Display Resolution: 1280 x 800 Pixels
Graphics
nVidia GeForce 8400M GT with 128MB Dedicated
Or Dell Inspiron or £508
Components
BASE Intel® Core™ 2 Duo Processor T5800 (2.0 GHz, 800 MHz FSB, 2 MB L2 cache) edit
OPERATING SYSTEM Genuine Windows Vista® Home Premium SP1 - English edit
MICROSOFT SOFTWARE Microsoft® Works 9.0 / English - (Does not include Microsoft® Word) edit
HARDWARE SUPPORT 1 Year Limited Warranty - Collect & Return edit
WEBCAM 2.0 Mega pixel web camera edit
COLOUR CHOICE Ruby Red Colour with Microsatin Finish edit
LCD 15.4" Wide Screen WXGA+ (1440 x 900) Display with TrueLife™ edit
MEMORY 3072MB 667MHz Dual Channel DDR2 SDRAM [1x2048+1x1024] edit
HARD DRIVE 320GB (5.400rpm) SATA Hard Drive edit
GRAPHICS CARD Integrated Intel® Graphic Media Accelerator X3100 edit
OPTICAL DRIVE 8x DVD+/-RW Optical drive, including SW edit
PRIMARY BATTERY 6-cell battery
Which one would you go for? Dell is cheaper and has more RAM, bigger HD, but the Sony has dedicated graphics card, and looks nicer (and is a slightly smaller screen)
Thanks