You can greet the 21st century at Maxim's during the luxury "Christmas in Vienna, New Year's in Paris" tour by Newport Beach-based TRAVCOA. For $10,995 per person, double occupancy, you get four nights each in Vienna, Paris and Prague; air fare between those cities; all meals (including the option to choose your own restaurant and be reimbursed later for the cost); New Year's Eve dinner and dancing at Maxim's or a cabaret show at the Lido in Paris; and sightseeing. Not included: air fare to and from Europe. The trip leaves Dec. 21 and returns Jan. 3, 2000. For reservations, see a travel agent or call (800) 992-2003.