Lenovo Thinkpad T410/510
Rough T410 spec below from the website for you, comes in at £1,185.53 each, obviously plenty of customising available as well and you can put 8gb in them, but I think you need to ring up as it's not available on the website yet.
Intel Core i7-620M Processor (2.66GHz, 4MB L3, 1066MHz FSB)
Genuine Windows 7 Professional 32
14.1 WXGA TFT, w/ LED Backlight (WWAN antenna)
NVIDIA NVS 3100m Graphics 256MB DDR3 with AMT
56K v.92 Designed Modem
4 GB PC3-8500 DDR3 SDRAM 1067MHz SODIMM Memory (2 DIMM)
Keyboard UK English
UltraNav (TrackPoint and TouchPad) with Fingerprint Reader
Camera, 2.0 MP
320 GB Hard Disk Drive, 7200rpm
DVD Recordable 8x Max Dual Layer, Ultrabay Slim (Serial ATA)
9 cell Li-Ion Battery
Country Pack United Kingdom
Bluetooth w/ antenna
Intel Centrino Wireless-N 1000 (1x2 bgn)
Integrated Mobile Broadband - Upgradable
Language Pack UK English