Recently, somebody in the DNS system started serving advertisements to me when I type in simple URLs, like foo. I used to get failed lookups, which would make Safari try to load http://www.foo.com, and I think try http://www.foo.org if that too failed. With the advertisement system, I feel like I'm using a Windows machine -- I have to type the whole thing out. Grr.
Enter PithHelmet. If you have this shareware add-on for Safari, you can rewrite the URL before it gets requested. This turns out to be even faster than the old way. Here is how to do it:
^(http://)*([^./]+)(/*)$
This will match any text that lacks a period mark in it, optionally starting with http:// and optionally ending with /.http://www.$2.com/Mac OS X Hints
http://hints.macworld.com/article.php?story=20051023123258671