The biggest problem with Office 2010 is earlier versions of Office itself. Any of the past two or three editions of the software are capable of handling day-to-day tasks - so why upgrade?On top of that, the free Open Office and its commercial version Oracle Open Office offer competent document handling at a much lower price, and cloud-based offerings such as Google Docs are improving fast, making a new Microsoft Office a hard sell if you take it in isolation.But...