NewEgg.com has the Seagate Momentus 7200.4 500GB 7200 RPM Internal Notebook Hard Drive for $99.99 (129.99 – 22 instant savings – 8 coupon) with Free Shipping for a limited time. To get discount, use the coupon code: EMCMMLP26 at checkout. This is a bare drive and a 16MB cache and 7200 RPM. It comes with three years of parts and service warranty. Coupon expires November 9, 2009.