I'm certainly not saying there's "nothing to worry about." I'm saying the media is going nuts, and shooting all kinds of panicky news bites in all directions. Drudge is going nuts in this area. We're probably going to find that more people die from panic in this situation than anything having to do with radiation.

Here's where the original link I gave has moved, and it has good updates giving actual units of radiation.

Here's a comparison chart for micro-Sieverts.

The only regular broadcast news I get during a day is the top of the hour radio news. Listening to this, you would think nothing at all had happened in Japan except this reactor problem.