75lbs in a hyear? No sweat! About 1.5 lbs per week, very doable. Have you had a chance to read our weight loss tips thread? Some very good pointers in there to help you curb your appetite which seems to be an issue.
http://www.obesitydiscussion.com/for...eres-3689.html
In order to achieve your goals you're going to have to create a calorie deficit of about 750 calories a day. Have you thought about other ways to help you achieve your goals besides what you mentioned above?