Hi flygirl,
That is why the motto for your ISP is "Get your act together or your common users are at danger". Read this thread at
http://forum.avast.com/index.php?topic=37275.0 for checks and what you can do yourself to be prepared against a danger that could be directed at the core of the Internet. They warned for this to happen a good year ago, and some DNS services then became protected, like OpenDNS and some others, lots of others are still dragging their feet to implement the necessary patches. What will be the balance between a hyped up thing and the real danger will be obvious in the upcoming future,
polonus