Soccer games have been a long time passtime of many people, especially in Europe (where it is called football, incase for some reason you did not know), and so some were excited to see the FIFA 07 demo on the Xbox Live Marketplace. I am not one of them, as sport games bore me to tears.
At approximately 800MB, it will use a fair bit of hard drive space, I have used all mine up a long time ago, but if you like soccer/football, check it out.