This Hard Drive

ZipZoomFly.com has the HITACHI Travelstar 5K320 5400RPM 250GB SATA Mobile Internal Hard Drive With 8MB Buffer Cache for $64.99 - $20 Exclusive Mail-In rebate (Expires 09/29/2008) + shipping = $52.27 Shipped.
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ZipZoomFly.com has the HITACHI Travelstar 5K320 5400RPM 250GB SATA Mobile Internal Hard Drive With 8MB Buffer Mobile for $69.99 - $20 Exclusive Mail-In rebate (Expires 09/29/2008) + shipping = $57.27 Shipped.
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ZipZoomFly.com has the HITACHI Travelstar 5K320 5400rpm 320GB SATA Mobile Internal Hard Drive With 8MB Buffer Cache for $99.99 - $30 Exclusive Mail-In rebate (Expires 09/22/2008) = $69.99 with free shipping.
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ZipZoomFly.com has the Hitachi Travelstar 5K250 HTS542525K9SA00 5400 RPM 250GB 2.5” SATA Internal Hard Drive With 8MB Buffer Cache for $74.99 - $20 Exclusive Mail-In rebate (Expires 09/08/2008) + shipping = $62.27 Shipped.
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ZipZoomFly.com has the HITACHI Travelstar 5K320 5400rpm 320GB SATA Mobile Internal Hard Drive With 8MB Buffer Cache for $109.99 - $30 Exclusive Mail-In rebate (Expires 08/06/2008) + shipping = $87.27 Shipped.
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ZipZoomFly.com has the HITACHI Travelstar 5K320 5400rpm 320GB SATA Mobile Internal Hard Drive With 8MB Buffer Cache for $109.99 - $30 Exclusive Mail-In rebate (Expires 08/06/2008) + shipping = $87.27 Shipped.
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ZipZoomFly.com has the HITACHI Travelstar 5K320 5400rpm 320GB SATA Mobile Internal Hard Drive With 8MB Buffer Cache for $109.99 - $30 Exclusive Mail-In rebate (Expires 08/06/2008) + shipping = $87.27 Shipped.
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Newegg.com has the Hitachi Deskstar P7K500 HDP725032GLA360 7200 RPM 320GB Internal Hard Drive With 16MB Buffer Cache - OEM for only $49.99 with free shipping.
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ZipZoomFly.com has the HITACHI Travelstar 5K320 5400rpm 320GB SATA Mobile Hard Drive With 8MB Buffer Cache for $109.99 - $30 Exclusive Mail-In rebate (Expires 08/06/2008) + shipping = $87.27 Shipped.
Product link.

Newegg.com has the Hitachi Deskstar P7K500 7200 RPM 320GB Internal Hard Drive With 16MB Buffer Cache - OEM for only $49.99 with free shipping.
Product link.