I dont personally use Outlook Express, but for those of you who do. . . you may want to consider reading this article. There is a way for hackers to sneak a virus around your AV software in Outlook. Yet another MS Hole. . . And they have yet to respond about this "hole" too. For someone that strives for security. . . they sure suck! ! ! Below is the link to the article.
Oh, and by the way. Here is another virus alert that I found very ammusing.