If you use Firefox.. then try this:
http://www.tycamtech.com/extensions/firefox/ffvb/
I created it to strip out a user's posts, threads and even their quotes once you add them to your ignore list.
You can also do the opposite and have user's highlighted.
Another bonus feature is the ability to ignore threads, so you if you want to clean up the page of all the contest threads, you can do that too.
Simply right click on the thread title or username that you want to ignore or highlight and choose FfVb Management and the option you wish.
A couple other features include:
- A bar at the bottom of the browser with forum nav, page nav and handy links like search, userCP, new thread and new reply
- Load the thread list into your sidebar with auto refreshing at regular intervals.
- Magic paste where any image you paste into your post will auto add the [ IMG ] [ /IMG ] tags for you