Even if you spend most of your woodworking time in a well-equipped shop, there are times you will need a good pair of sawhorses. I use them all the time, especially for working on outdoor projects. If you don't have a any, build a pair! I guarantee you will find all sorts of uses that you never expected.
There are a lot of different ways you can make a sawhorse; it seems everyone has his own preferred method. Here is a pair you can easily make in less that an hour, using five 2x4s. I used my miter saw for all cuts.