There is no equal to a fresh egg. If you want to raise your own, Spring is the best time to start. In a few months your girls will be a layin. Buy one more than you think you need. We started out with 6, but now have just 5. We walked out one morning to find one flat as a pancake.
Here are a few good websites to before you get started:
The Country Chicken
Two things I learned:
1. Chickens will destroy your yard, so keep them fenced where you want them.
2. Chickens and their sh*t are dirty and someone must clean the coop. Which of course isn't me.