While the last chapter was very practical, this chapter is more theoretical. However, this does not mean that you should skip it. It deals with very important aspects of planning, technical preparation, and straightforward reproduction of your Excel 2007 products, thus ultimately making your work a lot easier. To ensure that their results not only work well but look good (two completely different things), users need the right façade. That is why first impressions count so much. The design should be pleasing, both to you and others. You’ll be glad to know that it is quite easy to create a solid base for your design. All you have to do is observe a few important basic rules.