Hi Dave and welcome aboard,
If your wife is anything like mine once you say London, Paris and Dublin she will start picking out her wardrobe for the trip. I think you did the right thing by not waiting to book onboard because it is filling up fast. The lesson learned is you can never have to many next cruise certs lying around . I am hoping they turn the whole Viking Crown lounge into the Diamond lounge for this sailing as they will probably have more than 900 Diamond and D+ onboard. I have already sailed once to Barcelona with Sonny so this will be like meeting cruise-chat royalty again.