Thinkpads are never gonna be 'cheap', but this seems to be a decent promotion to me:
*Breaking News** Lenovo UK launches its Clearance Corner!
Lenovo UK is announcing its Clearance Corner, with discounts of up to 49% on ThinkPad factory direct excess products. We currently have a limited number of ThinkPad notebooks (X and W Series). Hurry, check our Clearance Corner till stock lasts (must apply ecoupon provided on the Clearance Corner webpage at checkout)
Please ensure you add the appropriate eCoupon to your cart to take advantage of these savings. Offer is limited and only available while stock lasts.