I'd ask about spades, clubs, and diamonds too, but nobody uses those.

[packbat]

Question: does anyone know why every version of Firefox on Mac OsX 10.3.9 renders the little "hearts" symbol (♥) as a vertical line?

Edit: Apparently for the same reason the text gets grainy sometimes - the rendering code is flaky. There's a fix promised in Firefox 3. Thanks, baxil!