Assuming it has to be somewhere I've not been to before...Sarah and I have talked quite often about going to Italy. We have a vague plan that would involve going around the country for a couple of weeks, a few days in Rome, a few in Venice, possibly also visiting Turin, Florence. So yes, Italy.
Although I'd love to go back to Egypt, and also I enjoyed the time we spent in Pasadena. And I keep promising to take Sarah to one of the European Christmas markets, maybe Prague - but I'd like that to be my treat to her, rather than something one or other of us wins.