June 06, 2006 Google Spreadsheets, released in beta today, is being touted in both the print and online media as a challenger to the ubiquitous Microsoft Excel - part of Google's mythical "Office killer" suite of online applications. The New York Times headline runs "Google Takes Aim at Excel." CNET says, "Google Spreadsheets turns up heat on Excel." John Battelle is more blunt, summing up the mov