"Thanks in advance for suggestions and advice."

I've attended several meetings over the years. Plan for large crowds.

If you want a good seat, I recommend getting to CHI Health Arena early. Last year, I showed up at 4am. A short line was already forming. Had wonderful conversations with the people standing in line. Doors opened at 7:30 am. My millennial son showed up at 9:00 am and took the seat I had saved him. We've always sat in section 223 upstairs. You'll get an unobstructed view of the stage and the reserved seating area. Tim Cook, Jamie Dimon and Bill Gates were seen coming and going at various times during the Q&A.

chihealthcenteromaha.com: Arena - CHI Arena & Convention Center

Will probably get flamed for this, but take your bride out to lunch at a Runza restaurant while you're in Omaha. Cheaper than Gorats. Your mileage may vary.

"The runza is a regional cuisine of Nebraska, with some commentators calling it "as Nebraskan as Cornhusker football." It is served by the Nebraska Society of Washington, D.C. and the Nebraska Society of New York at their Taste of Nebraska events and was chosen to represent the state at Flavored Nation, an event serving iconic dishes from all fifty states."

Wikipedia: Runza - Wikipedia

Runza restaurant locations:

runza.com: Search results