Here is the cheapest of the bunch that went live today.
Free shipping expires 13th Sept!
305-D10C15 - £339.30 delivered
AMD® Sempron Processor 3400+
Genuine Windows® XP Home Edition (Does not include Operating System Re-installation CD)
512MB Dual Channel DDR2 533MHz [2x256MB] Memory
160GB (7200rpm) Serial ATA Hard Drive with 8MB DataBurst cache
16X DVD+/-RW Drive
Integrated NVIDIA® GeForce 6150 LE graphics
Dell 15" Value Flat Panel (E156FP)
Integrated 7.1 Channel High Definition Audio
Microsoft® Works 8 - English
Reduce the warranty to minimum and buy via Quidco for further cashback savings.