Would you like to save as your currency permanently or for this visit only?
Check a convention calendar before your trip. You'll want to know when the big trade shows come to town and plan around them -- hotels tend to fill up quickly and rates spike.
In Vegas, go big or go home. The city whose hockey team won a championship in its first year, is now hoping to dominate another sport: soccer. Check out a match after hitting the slots but before hitting the latest club's rooftop party.