Mozilla just put a sweet ad in Today's New York Times. It's worth checking out the hi-res version. (Or getting a NYT?) I hear they are shooting for 10% of the browser market, which at this point would be much deserved.
mozilla.org/press/mozilla-...
Fine print at the end:
This message has been brought to you by the thousands who contributed funds to The Mozilla Foundation, a non-profit organization dedicated to promoting choice and innovation on the internet.