First off, don't listen to anyting Tauron says.
WD makes a good drive, you really can't go wrong with any of the consumer line-- Green, Blue, or Black. Personally I'd go for Green as it's quieter and a bit less power hungry than the...
Windows 7 runs just fine on a Mac, either in Boot Camp or under VMWare. There isn't an issue with the registry, Tauron's just a douchebag. Check his post history.
I don't really know what exactly you'd need to do to fix it (short of a clean install and trying again)...
I can say that I have Windows 7 installed on Boot Camp and running through VMWare though.... They do play nice. Just make sure...
If you're really concerned about security, you can overwrite the entire drive with 0s and 1s.
To do this, pop in your install disc and click the Utilities menu on the top menu bar. Open up Disk Utility. Click your hard drive, go to...
Is the drive formatted FAT of NTFS?
Either way, you'll be able to read the files form the drive.
If it's FAT, a few harmless hidden files may be created (I wouldn't worry about them).
If it's NTFS, the drive won't be altered at...
Not really, Time Machine is designed to keep a track of your files over time... which means it takes up more space than a typical backup.
Go grab Carbon Copy Cloner and just image your entire drive to your backup.