THERE were plenty of Australians on the Las Vegas Strip last month during the massive annual Virtuoso Travel Week. More than 6,000 participants needed a good lie down after a week of frenetic meetings, supplier updates and networks, with this trio of Asia-Pacific cruise line chiefs spotted enjoying the Vegas vibe: Karen Christensen of Crystal Cruises; Silversea’s Adam Armstrong; and Lisa Pile, Regent Seven Seas Cruises.