For people running a small business or working from home, MS Office Home and Business is sufficient .It includes Word 2010, Excel 2010, PowerPoint 2010, OneNote 2010, Outlook 2010, and Office Web Apps.
For more advanced needs,MS Office Professional is sufficient .It includes Word 2010, Excel 2010, PowerPoint 2010, OneNote 2010, Outlook 2010, Publisher 2010, Access 2010, premium technical support, and Office Web Apps.
