Here are some of the TigerDirect offerings on Serial ATA Hard drives.
Hitachi 40 GB w/8MB cache S-ATA-150 OEM HD $49.99
WD 200 GB S-ATA HD w/8mb cache $109.99
Hitachi 80 GB w/8MB cache SATA-300 HD $64.99
Seagate 120 GB HD S-ATA with NCQ $94.99
Maxtor 120 GB HD S-ATA $87.99
Hitachi 160 GB Serial ATA HD $99.99
Seagate 160 GB Serial ATA HD w/ NCQ technology $99.99
Seagate 250 GB HD Serial ATA w/NCQ technology $109.99
WD Raptor HD10krpm, w/8mb cache $129.99
Maxtor 300 GB Diamond Max 10 S-ATA HD w/16mb cache $134.99
Seagate 250 GB w/8MB cache S-ATA-150 HD with NCQ $109.99
Maxtor 200 GB Diamond Max 10 S-ATA HD w/16mb cache $104.99
WD Caviar 300 GB HD SE S-ATA $189.99
Hitachi 40 GB w/8MB cache S-ATA-150 OEM HD $49.99
WD 200 GB S-ATA HD w/8mb cache $109.99
Hitachi 80 GB w/8MB cache SATA-300 HD $64.99
Seagate 120 GB HD S-ATA with NCQ $94.99
Maxtor 120 GB HD S-ATA $87.99
Hitachi 160 GB Serial ATA HD $99.99
Seagate 160 GB Serial ATA HD w/ NCQ technology $99.99
Seagate 250 GB HD Serial ATA w/NCQ technology $109.99
WD Raptor HD10krpm, w/8mb cache $129.99
Maxtor 300 GB Diamond Max 10 S-ATA HD w/16mb cache $134.99
Seagate 250 GB w/8MB cache S-ATA-150 HD with NCQ $109.99
Maxtor 200 GB Diamond Max 10 S-ATA HD w/16mb cache $104.99
WD Caviar 300 GB HD SE S-ATA $189.99