P.F. Chang's Home Menu™ Tip: Invite your guests to create a playlist on their MP3 players. Count down to the show by rotating through a different guest's list every 20 minutes so everyone gets to hear their favorite tunes.
Few shows make you as hungry as Top Chef. If you're serving dinner make sure you've got snacks as well. Plate your food in several places (appetizers on the coffee table, chips and dips on a side table, etc.) so a quick bite is never out of arm's reach.
Make sure no one's drink gets muddled. Tag people's beverages with simple inexpensive drink tags, or make your own by cutting small circles out of card-stock and then cutting a smaller circle in side of it to create a doughnut-shape that sits around a wine stem.
When partygoers pack their knives and go, give them something to take with them. Stock up on to-go containers for guests to bring home leftovers with, for a treat that will make them feel like you've mastered generosity as well.