I am three days out. I like the vanilla Premier shakes at Costco. 18 run about $24.99 and have 30 g of protein and fit all of the nutritionist's guidelines. I also bought chicken broth there in cans, in a case of about 12 and paid around $6. "Clear liquids" also means plain nonfat greek yogurt, sugar-free jello, both if touch you can add protein powder to, Sugar-free Popsicles, etc. My doctor wants me to get in 64 oz od H2O each day, which includes all of the above and it is hard! Especially when an ounce gets sipped over 15 minutes. There is also some sugar free protein pudding sold at Vitamin Shoppes that is pretty decent and I like the Isopure liquid protein, though it can be a little sweet.
I had a rough time with the surgery, mainly due to nurses and not to the procedure. I recommend you try and heal as quickly as you can in the hospital to get home where things will go much better for you. Oh, and be sure, you've all your meds at home before you go. My doc did change a prescription I me while I was in the hospital and I had to stop on huge way home to get another, which was definitely not fun.
I am still recovering, but so far once I got home, I felt a lot better.
One last thing, when you do stock up, be sure that you get enough to last you like two weeks. It will help if you have everything at home during the first phase until you go on pureed foods. Best of luck to you on the 14th!