Sharepoint WebParts

Found an interesting set of articles for Sharepoint development:
ASP.NET 2.0 Web Part vs Sharepoint 2007 Web Parts
Resources
Sharepoint Web Parts Overview http://msdn2.microsoft.com/en-us/library/ms432401.aspx
Windows SharePoint Services Web Part Infrastructurehttp://msdn2.microsoft.com/en-us/library/ms415560.aspx
Walkthrough: Creating a Basic SharePoint Web Parthttp://msdn2.microsoft.com/en-us/library/ms452873.aspx
Walkthrough: Creating Connectable SharePoint Web Partshttp://msdn2.microsoft.com/en-us/library/ms469765.aspx
Creating Web Parts in Windows SharePoint Services http://msdn2.microsoft.com/en-us/library/ms367238.aspx
Working with the Windows SharePoint Services WebPart Class http://msdn2.microsoft.com/en-us/library/ms473203.aspx
Channel 9 Video: Building ASP.NET Web Parts for Windows SharePoint Services 3.0 http://channel9.msdn.com/ShowPost.aspx?PostID=192071
15 Seconds: Building Web Parts for Windows SharePoint Services 3.0 http://15seconds.com/issue/060824.htm
15 Seconds: Building an ASP.NET 2.0 Web Part for Deployment to WSS V3.0 and MOSS 2007 - Part 1 http://15seconds.com/issue/060914.htm
Scott Guthrie (MSFT): Writing Custom Web Parts for SharePoint 2007 http://weblogs.asp.net/scottgu/archive/2006/09/02/Writing-Custom-Web-Parts-for-SharePoint-2007.aspx
Mark Kruger (SharePoint MVP): Great resource link site for almost everything Sharepoint http://www.sharepointblogs.com/mkruger/archive/2006/05/25/7570.aspx
If anyone has any great resources on comparisons between the two let me know I would be interested ...