Disclaimer: This worked for me. It may not work for you.
Booted my machine under 32bit Windows XP Home Edition.
Used PartitionMagic to create a 25GB partition on the second hard drive in my machine and made it primary.
Rebooted my machine in XP to make sure the new drive was working.
Put the burned installation Vista DVD in the DVD-ROM and when it wanted to know where to install, I pointed it toward the newly created drive.
After Vista installed itself, I had the multiple boot screen with Vista as default. I was able to swith back and forth like a charm.
After looking at Vista and seeing what hardware I had would work with it and software, I decided to remove Vista since I did not have any proper internet protection like Norton Internet Seciruty. (Sorry, I believe Norton is the best, anything less is asking for trouble).
Removal was simple. I rebooted my machine and chose the Windows Recovery Console option at the mutiple boot screen. I ran the fixboot command and chose what windows directory I wanted when prompted. After choosing the directory where XP was installed I rebooted. It came right back into XP by default (no boot screen). I was the able to easily remove Vista by reformating the drive where it was installed. Then of course I had the choice of keeping the partition or removing it.
Disclaimer: This worked for me. It may not work for you.

What I did for easy installation and removal of Windows Vist
Windows Vista
User login
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