Another option maybe:
Vostro™ 1700 NB(N0517014)
The Dell Online Store: Build Your System
It has a 17" screen (this is a BIG laptop) with the resolution you wanted - select this option, same 2.4Ghz cpu, 3GB ram, 8600 graphics etc.
Price is £692 including vat and delivery.
Although aimed at small business, anyone can buy these.
details:
BASE Intel® Core™ 2 Duo Processor T8300 (2.40 GHz, 3 MB L2 cache, 800 MHz FSB)
OPERATING SYSTEM Genuine Windows Vista™ Home Premium - English
LCD 17.0" UltraSharp™ Wide Screen WUXGA (1920x1200) TFT Display with TrueLife™
INTEGRATED WEBCAM Matte Jet Black with 2.0 mega pixel camera
MEMORY 3072MB 667MHz Dual Channel DDR2 SDRAM (1x1024 + 1x2048 MB)
HARD DRIVE 320 GB (5400rpm) SATA Dual Hard Drive (2x 160GB)
GRAPHICS CARD 256MB nVidia® GeForce® 8600M GT
OPTICAL DRIVE Fixed Internal 8X DVD+/-RW Drive including Software
PRIMARY BATTERY Primary 6-cell Lithium-Ion Battery (56 WHr)