You can make your own swatches pallete. It's pretty easy. All you have to do is make a file, I'll call mine swatches.ai, and make whatever swatches in it that I want to use in my documents.
Now if I want to use my custom swatches from "swatches.ai", all I have to do is go to the Window>Swatch Library>Other Library
that will pull up a file picker, and you just browse to your swatches.ai, and it will create another swatchpallet for you.
Now I haven't tested this next part, but it should work. If you want your own swatches pallet to be your default just go to '/Applications/Adobe Illustrator 10/Presets/Swatches/'
and replace the default swatches with yours. Don't forget to back up your old defaults in case soomething goes amiss
hope this helps.