Sorry to beat a dead horse, Patrice, but we do have lots of wonderful new members and newbies to quilting. And this is the ultimate quilting question, isn't it? LOL!
I thought these articles were interesting:
http://www.quiltersbuzz.com/2005/11/..._fabric_o.html
http://www.denverfabrics.com/pages/s...are-quilts.htm
And if you have a lot of time:
http://www.google.com/search?sourcei...h+quilt+fabric