The higher % of Protein the longer you will fill full. GNC 100% whey Protein has over 20g per shake. They are great and easy on the wallet. sugar free Jello and Sugar Free puddings are great Snacks.
I am on day 10 of the liquid diet and my surgery is in 4 days. The first few days were HORRIBLE! I cried, I was mad I couldn't eat. Now, it is so easy and I am down 9 lbs. You can DO this!! This diet isn't for just your surgery, but it prepares you for when your banded. If you need extra motivation, send me a message at any time!
Best of luck!