You can easily add the tools that you use most frequently so that the Quick Tools options are customized to meet your specific needs.
Yes, just click the Customize link at the top of the Quick Tools window. Then click and drag the tools in the My Tools list to the desired order. Click the Save button when you are finished rearranging the tools.
Yes, any changes that you make to the Quick Tools on any page will also update the other pages so that your Quick Tools are always the same.