Here is a screenshot of the Office 2007 Suite product comparison grid:
The original grid can be found here: 2007 Microsoft Office System suites.
Office 2007 Suites Comparison Grid
Note that the step from Small Business Edition to Professional Edition is Microsoft Access. Since those are the most popular non-licensing versions we deal with, that is a good thing to remember.
Also, when selling OEM versions, we make a point of informing our clients that there is no accompanying media with OEM licenses and that it comes installed on a new system before the system leaves our shop. They can then order a copy of the media via a Web link in the license case for a small shipping fee.
Here is a link to our previous blog post on Windows Vista's editions: Windows Vista - Now ... Just Exactly What is in What Edition Again?!?
Microsoft Small Business Specialists
*All Mac on SBS posts are posted on our in-house iMac via the Safari Web browser.