Another reason to use [a href="vny!://www.openoffice.org/"]OpenOffice[/a] (as if you really needed one...):
A second Trojan used in the latest zero-day attack against Microsoft Office contains characteristics that pinpoint [a href="vny!://www.eweek.com/article2/0,1895,1992128,00.asp"]corporate espionage as the main motive[/a], according to virus hunters tracking the threat. This eWeek story walks through the attack, which uses a tainted 18-slide PowerPoint file, a Trojan dropper, 2 Trojans and a server in China that is used to communicate with compromised machines."
From the article: "'Once this type of attack is out, it's very unusual for it to be limited to just one company. I think it's safe to assume that it's ongoing, especially since there is no patch for this vulnerability,' Huger added. Microsoft plans to issue a patch on August 8 for users of Microsoft PowerPoint 2000, Microsoft PowerPoint 2002 and Microsoft PowerPoint 2003. In the meantime, anti-virus experts are urging Microsoft Office users to be on the lookout for suspicious attachments, even those that appear to come from colleagues internally."