I can't verify the below info is any good still, but, this reseller was selling them at $3.05 a piece 3 years ago - good luck.
> Quote Number
> Quote Date 31175 09/18/2006
> To: From: NONE
> PH: 386-454-9350
> FX:
> random_rodder@xxxxxxx
> Vendor Code: Eric Hampton
> AAT Technology Inc.
> 6020 Parkway North Drive / Suite 1100
> Cumming, GA 30040-1292
> PH: 770-781-4771
> FX: 770-781-3694
>
> Ship Via Terms Agent Name Date Modified UPS / RED SAVER CREDIT CARD / C.O.D. Eric Hampton 09/18/2006
> Part Number Quantity Ordered Manufacturer Date Code Unit Price HD63C09EP 100 HITACHI 2000 3.05 Subtotal Total 305.00
> Click here for Datasheets or Part Search
> AAT Technology Inc. Order Minimum $200.00USD