As explained in this earlier, related hint, I have hundreds of WordPerfect for Windows files with contents that I don't need to edit, but often view. Using the previous hint, they can be viewed in Terminal, but they lose all their formatting. (They can also be opened with NeoOffice or AbiWord, but both of these are fairly slow when I just want to quickly view a file's contents.) To solve the no formatting issue, I created a contextual menu item which converts a WordPerfect document to HTML, and then opens it in a browser window. Here's what you need to make it work:
Mac OS X Hints
http://hints.macworld.com/article.php?story=20060903121055197