You can now download a 60 day trial for Microsoft Office 2010 and test it out before deciding if you can make do with your current version or go ahead and purchase the new software.
Microsoft Office Home and Business 2010 [English]
Includes: Word | Excel | PowerPoint | Outlook | OneNote
Microsoft Office Home and Student 2010 [English]
Includes: Word | Excel | PowerPoint | OneNote
Microsoft Office Professional 2010 [English]
Includes: Word | Excel | PowerPoint | Outlook | OneNote | Publisher | Access
*RTM Build version: 14.0.4760.1000
To get a 60 day Trial license, visit this Office 2010 Trial page and click the ‘Try it now’ button of your desired Office product. Sign in with your Windows Live ID to get the license code/key and activate Office as fully-functional product for 60 days.