I've found this one... It's £600 which is kinda near £500
Processor
Intel® Core™ i5-430M Processor
- 2.26 GHz
- 4.8 GT/s DMI
- 3 MB L3 Cache
Operating System
Genuine Windows® 7 Home Premium (64-bit)
RAM - 4GB installed RAM
- DDR3 memory
Graphics card
ATI Mobility Radeon™ HD 5470
- 1GB dedicated memory
Screen type
Widescreen LCD
Screen resolution - WXGA
- 1366 x 768 pixels
Screen size
15.6"
Screen features
White LED backlighting
Hard drive
500GB SATA