I thought this needed a more positive word than "unpeeve".
Watching a particularly colourful sunrise over the mountains.
The first ripe tomato of the season.
Being understood without having to go into a long discussion of personal history, societal issues, world view, etc...
Seeing the first hummingbird of the season.
Meeting someone who it seems like you've known forever.
Clever turns of phrase.
Being able to extrapolate.
Having a place like Atheist Nexus where I can hobnob with fellow non-theists.