Microsoft Office vs. OpenOffice.org

"For a while, nonprofit organizations’ choice of office suites was limited to Microsoft Office or…Microsoft Office. But in the last couple of years, a viable open-source option has emerged: OpenOffice.org. Should you consider OpenOffice? Will it make sense for your users and organization? What are the differences between these two office suites?
We will compare Microsoft Office 2003 Professional to OpenOffice.org 2.0 …." 
Read more HERE at TechSoup.org