There's a very good book that WILL help you with this. http://www.amazon.com/Power-Your-Metabolism-Frank-Suarez/dp/0978843754/ref=sr_1_1?ie=UTF8&qid=1326199092&sr=8-1 The Power of your Metabolism. Take a look. Or message me if you need advice. My expertise? Jeje I won the loosing weight contest in my office in 2010 =) Lost 32 pounds (from 200)...
It may seem unrelated, but this book has helped my GF and myself.