For those who responded to the original inquiry about large group tours, many thanks. I was surprised that there were very few small group tours even offered. Has anyone switched (while onboard) and had the Regent "desk" arrange small groups? Regent's private car tours are outrageously expensive but in particular in Jordan, if we don't travel with Regent, we have to arrange for our own VISAs (anyone have experience with this?). We are considering using Tours by Locals as they seem to have a very good reputation and then we'd have options to stay more in Petra or use time to go to Wadi Rum.
(For those that ended up commenting about Sake shortages, thanks for that info too as I also really enjoy Sake with an Asian meal!).