From the Bits & Bytes forum:
Amazon.com: Seagate ST315005FDA2E1-RK FreeAgent Desk 1.5 TB USB 2.0 External Hard Drive (Silver): Electronics
And here is the Internal version- same price:
Amazon.com: Seagate 1.5TB 32MB SATA Bulk/OEM Hard Drive ST31500341AS: Electronics
Amazon.com: Seagate ST315005FDA2E1-RK FreeAgent Desk 1.5 TB USB 2.0 External Hard Drive (Silver): Electronics
And here is the Internal version- same price:
Amazon.com: Seagate 1.5TB 32MB SATA Bulk/OEM Hard Drive ST31500341AS: Electronics