Here's another difference between MOSS and WSS. MOSS does much nicer usage reporting. But either way, to answer another question that was posed at the webinar, there is site usage reporting available in SharePoint for your sites, blogs and/or wikis. That means you can check to see who visits your blogs and wikis, and how often.
It's important to regularly check the site statistics for the sources that you diligently maintain. If you've promoted your content well, organized it in a meaningful way, and update it regularly, you'll want to know if all your effort is paying off.
The WSS site statistics are quite basic. Here's an example, from my SharePoint site, which runs on WSS:
Here's one, complete with graphs, from MOSS SharePoint. Much prettier.
Our complaint with MOSS site usage reports is that 95% of them cover just the last 30 days. Some of the graphs cover a longer period of time and provide a simple visual of long-term use, but you can't get the related numbers.
If someone wants to know how many hits an item received since its posting, you have to get the usage reports for the site the item is in, then scan the URLs for that item. Fortunately, you can export the reports to a spreadsheet, which makes it easier.
We're having a consultant create a usage metrics site for us that is much more robust.
I can recommend MAPILab Statistics for SharePoint for tracking usage statistics of your SharePoint implementation. http://www.mapilab.com/sharepoint/statistics/ Integration with Active Directory, deeply detailed reports, reports on search, support of any topology.
Of course Nick recommends MAPILab - he's the company's marketing manager. The other thing he doesn't mention is how very expensive MAPILab is.