External links

Western Digital
http://www.wdc.com/
  Model Form Factor Interface Size (GB) Best Price Vendor Value (GB/$)
Sorry!, at last check eBay.com,Crucial.com,Amazon.com,Amazon Marketplace,PC Connection,Dell Consumer, and Newegg.com had no models available of this family of hard disks.

Recent Western Digital Raptor Reviews & Benchmarks

Silent PC Review - Western Digital Raptor 150GB: New Revision, New Noise? - June 24, 2006
AnandTech - Western Digital WD1500ADFD: King Raptor - Feb. 8, 2006