Your eating issues will be in the first weeks and months. Once you're healed, you'll be able to eat normally.
If you're anything like most GERD sufferers, you have had years of dealing with stomach issues, so the ones you get that are caused by the surgery will be taken in stride.
If you have he surgery this month, if your experience is anything like mine, you'll be eating pretty normally by the end of July. I went on vacation at 4 months, and went out to restaurants, eating everything.
I still have some of the reactive stomach issues I always had...the wrap is created out of my stomach, so it can get irritated by rough foods (celery, carrots, big salads) or very acidic things like pineapple juice (one of my favorite drinks used to be coconut rum and pineapple juice...now it drink just a bit...not so much from the wrap as from my annoying stomach.
I enjoy eating still, just as I always did. I've never been a big soda drinker, but I have had some since the surgery, and it didn't bother me. I enjoy beer, and have not trouble at all drinking it.
You'll have some GI quirks caused by the surgery, but if you're anything like me, it'll be well worth getting rid of your other issues.
As for eating, I go for it...even if I know I may pay a bit later, if I want something, and I'll enjoy it, I eat it. Some are more cautious, but that's my attitude.
The main thing is that you'll want to chew your food very carefully even after healing. Slow down and enjoy that food!
I posted on another thread--jhayes/fundo in 2 days
On it I copy and pasted the "journal" I posted when I was recovering from the surgery. If you haven't looked at you might want to. It gives an idea of what the earliest days of recovery might be like for you.
The main thing is to have a surgeon who is very experienced and skilled in doing Nissen surgeries. It's definitely an art form, and takes time to develop the skill necessary. Todd has experience with a surgeon who trained with yours, and had a good outcome...just be sure that he has done many, many of these. Mine had done over 300. I've moved since then, and the guy here who everyone refers to has done over 1000. The more the merrier!
You're in the right place...people here are realistic but positive on the whole. We will do our best to answer any questions you have both pre and post surgery.