Given the monumental popularity of the annoyances thread, what are the little things in life that please you? (Here's betting that this thread isn't a fraction as popular)
Arriving home to find that a drink has been poured for you.
Leaving a task at work for a while because you don't really fancy it, then just as you know you've got to get on with it being told that it's not needed anymore.
Getting a particularly tough question right when watching University Challenge and people asking, how did you know that? Even better if you can get a complete set of bonuses.
Any goal against Millwall - I had to mention them, every other thread does.