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Easily Set Default OS in a Windows Vista and XP Dual-boot Setup

If you are running a dual-boot setup with more than one Windows operating system, It's pretty easy to configure the default boot operating system with the GUI interface. Note that if you are using Windows Vista as one of the operating systems, you will need to make this change from Vista, not XP.
First, you'll need to right click on Computer and select Properties:

Next, click Advanced System Settings

Now click on the Settings button under Startup and Recovery

And just select the operating system you want to use:

Easy stuff. You could also use the bcdedit command to do the same thing from the command line, but it's probably easier this way.