CompUSA has the Hitachi Deskstar 7K250 250GB H3250B72P hard drive for $59.99 after a $40 mail in rebate. Available online or in store.

Newegg has the Samsung Spinpoint M 120GB 2.5″ ATA-6 Notebook Hard Drive for $99.99 with free shipping.

Newegg has the Samsung T133 Series 400GB 3.5″ SATA 3.0Gb/s Hard Drive for $129.99 with $5.64 shipping. This may be the least expensive way to create a 1+ TB raid 5 array.

OfficeDepot has the SimpleTech SimpleDrive Portable External USB 2.0 100 GB Hard Drive for $119.99 after a $30 mail in rebate. Free next business day shipping, a 3 year warranty, and the small size makes this worth looking at.

Circuit City has the Western Digital Caviar SE Internal 320 GB ATA/100 Hard Drive WD3200JBRTL for $89.99 after a $60 mail in rebate. In store pickup only.

Circuit City has the Seagate ST3200822A-RK 200 GB ATA/100 hard drive for $59.99 after a $60 mail in rebate. In store pickup only.

TigerDirect has the Western Digital 250GB 7200 8MB cache USB 2.0/FireWire external hard drive WDXB2500JBRNN for $99.99 with 7.99 shipping.

TigerDirect has the Seagate 160GB 7200 8MB SATA-300 OEM Hard Drive ST3160812AS for $19.97 after a $40 mail in rebate. $7 shipping. Link to Rebate.

Office Depot has the Western Digital My Book External 160GB USB 2.0 8 MB Cache Hard Drive for $79.99 after a $50 mail in rebate. Free shipping.

Outpost.com has the Maxtor 200GB L01M200 8MB Buffer Serial ATA (SATA) Retail Hard Drive Kit for $49.99, no MIR, free shipping.