Yet another lawsuit in the IT world, this time with the small going up against the big. Adobe is taking on Microsoft in the courts, in an antitrust lawsuit surrounding the ability of Office 2007 to write PDF files. Particularly, Adobe wants Microsoft to turn the PDF writing into a purchaseable module, separate from the Office suit itself. While Microsoft is willing to remove the feature entirely, they are not willing to turn it into a pay item. Unless you use open source software, writing PDFs or using advanced PDF writing features is something you have to buy a professional suite from, such as Acrobat Professional. The PDF format is used widely around the world, and having the ability to create your own with a software suite that's likely to come shipped with a new PC would be appealing to many.