Seagate Momentus XT 750GB 7200RPM SATA Hybrid Solid State Drive Drive for $174.99 shipped.  Here is a screenshot for your reference.  Alternatively, it is available at Newegg for $174.99 shipped.  This 750GB 7200 RPM Solid State (SDD) Hybrid Drive is designed to deliver SSD-like performance with traditional hard drive capacity options.