AboutJunkie is a chrome (eg. priveledged) sidebar that matches weblogs.com/changes.xml to your history and bookmarks. It is a component of Blozom but is being released as a standalone.
Here's what it looks like:
Note, history searching is much slower than bookmark search. For maximum speed, bookmark all your favorite weblogs and turn off history filtering.
While untested on anything but Mozilla version 1.3 at this point, Junkie should work all the way back to Mozilla 1.0 on Windows, Mac, Linux, etc.
Install for Mozilla the 0.8.4 XPI
Once installed, you'll need to restart Mozilla and enter the following into the urlbar: chrome://junkie/content/install.html
Install for FireBird, 0.8.4 XPI
Feedback & Planned Features
Check out the notes page for planned features and to leave your suggestions/comments.
0.8.4 Ctrl-click to open in a new tab
0.8.3 Adds stop button. Slightly faster. 0.8.3 XPI
0.8.2 First stable release. 0.8.2 XPI