Seagate Barracuda $139 for 2TB & $108 for 1.5TB @Mwave
For only $139, you can buy a new 2TB Seagate Barracuda (Model- ST32000542AS). From the description, one of its advantages is that it has low power consumption- meaning it will go easy on your personal computers, require less number of fans. It also has relatively smaller power supply and maintenance costs. It is really efficient, you can buy an enclosure if you want. This is also compatible with Windows 7 Compliant Standards and has a 3 year warranty. If you want one with a smaller performance capacity, a 1.5TB just costs $108. With all the videos, music files, documents; one would really need one of these nowadays.