1. diamonds or pearls?
Diamonds - more sparkly
2. paperback or hardcover books?
Hardcover, since the covers don't get all weird.
3. carpet or hardwood floors?
Hardwood
4. dogs or cats?
Definitely dogs!
5. fluffy or firm pillow?
Firm
6. fine point or medium point pens?
Medium (fine point pens write too roughly on the paper.
7. clocks a little fast or on time?
A little bit fast
8. mahjong or spider solitaire (or other)?
Spider Solitaire on the computer
9. wall calendar or desk calendar?
Wall calendar. I don't have enough desk space for a calendar
10. 'Survivor' or 'The Amazing Race?'
Neither. Haven't ever watched them!