The answers to the clues below will have something in common.

1. Eloquent
2. Tyrannical
3. Speeder
4. Model to emulate
5. Popular party decorations
6. SCUBA diver's need
7. Common kitchen item
8. Las Vegas feature

Answers:

1. Silver-tongued
2. Iron-fisted
3. Lead-footed
4. Gold standard
5. Helium balloons
6. Oxygen tank
7. Aluminum foil
8. Neon lights

Credit:
NY Times Crossword
December 30, 2003
Nancy Kavanaugh 
REFINED PEOPLE (#1-3)