I <3 Firefox 3
I just noticed Firefox 3 (on Mac) is rendering dotted borders rather interestingly.
It appears to start with a square in each corner with a half circle on the clockwise side, then circular dots spaced evenly between that semi-circle and the midway point of the next corner block.
I played with it a bit and came up with this:
<img style="border: 23px dotted #f99;" src="/images/blog/ff_hearts/firefox.png" height="49" width="49" alt="Firefox logo">
Which renders like this on FF3b5 Mac:
Too bad I'm late for Valentines day.