OEM means that that OS is legally bound to that computer, and you are getting a price break because of that. If you get a new computer, legally, you cannot take the OS with you.

When you start upgrading parts on your computer, Windows Activation may decide that you HAVE a new computer and require reactivation. However, a hard drive upgrade wont do it. Windows Activation uses a point system to calculate what things you CAN change until it decides you have a new computer. Read this for more info.

http://www.aumha.org/win5/a/wpa.php

Working PCs - 8.

Non working (just not plugged in), counting my Commodore 64, Mac SE30, PC 486, and others - add8 more.

I've been collecting these for a while... :D

Am i just unlucky? Are they typically good drives? ...

Anyway $500 worth of dead raptors in 6 months. Wont be buying WD again.

Alter_Echo

Yes, very unlucky. WD Raptors are excellent drives. You did get your money back from where you bought them, right?