when people are eating and you can hear the spoon or fork banging against their teeth (or if it sounds like they are biting the spoon or fork while eating).. My housemate does that all the time and it annoys me big time.
Someone griping constantly.
A gift card to Southwest Airlines.
A gift card for a ride into outer space on board Richard Branson's SpaceShipTwo. It's only $250,000 per seat.