Just back from Tesco Coatbridge, where they had a sign up for a Dell XPS 420 reduced from £579 to £199, none left at coatbridge but a heads up for other stores good luck.
Remember not online if interested phone the local store.
Intel® Processor Q6600 Quad Core (2.40GHz, 1066Mhz FSB, 8MB cache)
Genuine Windows Vista® Home Premium - English
3072MB 800MHz Dual Channel DDR2 SDRAM [1x1024] 1x2048
Hard Drive 500GB Serial ATA non Raid (7200 Rpm)
DVD +/- RW Drive (read/write CD & DVD)
Dell Enhanced USB Multimedia Keyboard - UK/Irish (QWERTY)
Dell Optical Scroll Premium Mouse
512MB ATI® Radeon® 3870 Graphics card