OpenOffice.org's spreadsheet is a capable numeric and data analysis tool, with an interface that will look rather more familiar to longtime Excel users than the revamped ribbon scheme of Office 2007 did. The spreadsheet and word processor both support macros, but they're not quite the same macros that run in Microsoft Office. Each of the products will open documents created by the other, but you shouldn't assume that you can blithely toss complex files back and forth between the suites with no intervention required. FULL REPORT