First off, congratulations on your engagement and upcoming marriage.
My husband and I honeymooned in Vegas. We love it there and if we could have married there, too, we would have. Instead, we married in Vancouver and the next day flew down. We had 2 nights at the Hyatt Lake Las Vegas, and while not the RC we were very impressed. Unfort., The Hyatt is no longer. We did check out the RC while we were there as we went up ot the 'village' and had a great meal at Comos. We also spent two nights on the stip. Bellagio was not in scope, but I will tell you, we go to Vegas 2-3 times a year and always have a great time. No problem with getting a King bed and people we told that we were on our honeymoon treated us no differently than anyone else. A simple, "Congratulations" was the reply most of the time with the occassional, "Well, let me see what I can do."