Not a lot.
I smile, I occasionally snicker or chuckle.
I found by accident a webcomic that makes me laugh. These strips in particular. Make sure you read the title of the individual comic above the panel, it's put things in context)
Example = Yes.
I'm stopping there... in fact I have to stop for the night or I'll be here forever. (laughing.)
*edit* Okay One more...
If you get this one I'm sooo sorry.
*Edit reduex* I have to reload music on my iPod, which crashed again... so it'll be few minutes before I get to go to sleep.
MORE BUNNY GIGGLES