SharePoint MVP Andrew Connell recently posted a notice on his blog that Microsoft is making available a series of webcasts and hands-on-labs about building MOSS 2007 WCM Publishing sites. The webcasts and labs are all free, so be sure to check them out. The next webcast, SharePoint Products and Technologies for Internet Site Development: .COM Branding (Level 200) is Thursday, December 4. You can find out more and register for the event here.
And don't forget about Microsoft's SharePoint Server Virtual Labs, where you can test-drive Microsoft Office SharePoint Server (MOSS) 2007, and its TechNet Virtual Labs: SharePoint Products and Technologies , where you can try out additional SharePoint products.